let’s solve the equation: we shall use a scale to represent our equation. the variable x will be...

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Let’s solve the equation: ll use a scale to represent our on. The variable x will be replaced and the numbers will be repre oins. Click to go on ? 4 3 x

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Page 1: Let’s solve the equation: We shall use a scale to represent our equation. The variable x will be replaced with and the numbers will be represented with

Let’s solve the equation:

We shall use a scale to represent our equation. The variable x will be replacedwith and the numbers will be represented with coins.

Click to go on

?

43 x

Page 2: Let’s solve the equation: We shall use a scale to represent our equation. The variable x will be replaced with and the numbers will be represented with

Here is our scale representation of our equation!

Click to go on

43 x

Page 3: Let’s solve the equation: We shall use a scale to represent our equation. The variable x will be replaced with and the numbers will be represented with

Our job is to solve for x. That is, try to get by itself!

Click to go on

?

43 x

Page 4: Let’s solve the equation: We shall use a scale to represent our equation. The variable x will be replaced with and the numbers will be represented with

We take 3 away from the left side first!

Click to see what will happen.

Page 5: Let’s solve the equation: We shall use a scale to represent our equation. The variable x will be replaced with and the numbers will be represented with

We take 3 away from the left side first!

The right side is now heavier. Click to go on.

Page 6: Let’s solve the equation: We shall use a scale to represent our equation. The variable x will be replaced with and the numbers will be represented with

To make it level again, we have to take out something from the right!

Let’s try taking 3 awayfrom the right side. Click to go on.

Page 7: Let’s solve the equation: We shall use a scale to represent our equation. The variable x will be replaced with and the numbers will be represented with

To make it level again, we have to take out something from the right!

Click to go on.

Page 8: Let’s solve the equation: We shall use a scale to represent our equation. The variable x will be replaced with and the numbers will be represented with

The balance is now level again.

Click to go on.The equation is then x = 1

Page 9: Let’s solve the equation: We shall use a scale to represent our equation. The variable x will be replaced with and the numbers will be represented with

Let’s solve another equation:

4 8x

We shall use a scale to represent our equation. The variable x will be replacedwith and the numbers will be represented with coins.

Click to go on

?

Page 10: Let’s solve the equation: We shall use a scale to represent our equation. The variable x will be replaced with and the numbers will be represented with

Here is our scale representation of our equation!

4 8x Click to go on

Page 11: Let’s solve the equation: We shall use a scale to represent our equation. The variable x will be replaced with and the numbers will be represented with

We take 4 away from the left side first!

Click to see what will happen.

Page 12: Let’s solve the equation: We shall use a scale to represent our equation. The variable x will be replaced with and the numbers will be represented with

We take 4 away from the left side first!

The right side is now heavier. Click to go on.

Page 13: Let’s solve the equation: We shall use a scale to represent our equation. The variable x will be replaced with and the numbers will be represented with

To make it level again, we have to take out something from the right!

Let’s try taking 4 awayfrom the right side. Click to go on.

Page 14: Let’s solve the equation: We shall use a scale to represent our equation. The variable x will be replaced with and the numbers will be represented with

To make it level again, we have to take out something from the right!

Click to go on.

Page 15: Let’s solve the equation: We shall use a scale to represent our equation. The variable x will be replaced with and the numbers will be represented with

The balance is now level again.

Click to go on.The equation is then x = 4

Page 16: Let’s solve the equation: We shall use a scale to represent our equation. The variable x will be replaced with and the numbers will be represented with

Let’s try one more!

7 4x

The variable is on the right side of the equation. Using our scale however, wesee that this has no baring on how we approach the problem.

Click to go on

Page 17: Let’s solve the equation: We shall use a scale to represent our equation. The variable x will be replaced with and the numbers will be represented with

Here is our scale representation of our equation!

7 4x Click to go on

Page 18: Let’s solve the equation: We shall use a scale to represent our equation. The variable x will be replaced with and the numbers will be represented with

We take 4 away from the right side first!

Click to see what will happen.

Page 19: Let’s solve the equation: We shall use a scale to represent our equation. The variable x will be replaced with and the numbers will be represented with

We take 4 away from the right side first!

The left side is now heavier. Click to go on.

Page 20: Let’s solve the equation: We shall use a scale to represent our equation. The variable x will be replaced with and the numbers will be represented with

To make it level again, we have to take out something from the left!

Let’s try taking 4 awayfrom the left side. Click to go on.

Page 21: Let’s solve the equation: We shall use a scale to represent our equation. The variable x will be replaced with and the numbers will be represented with

To make it level again, we have to take out something from the left!

Click to go on.

Page 22: Let’s solve the equation: We shall use a scale to represent our equation. The variable x will be replaced with and the numbers will be represented with

The balance is now level again.

Click to go on.The equation is then 3 = x

Page 23: Let’s solve the equation: We shall use a scale to represent our equation. The variable x will be replaced with and the numbers will be represented with

The End