one and two step equations 1
Post on 09-Feb-2015
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Mixed Practice Solving Equations
Practice
Solve. Check.
1a. a + (-5) = 8+5 +5
a = 13
1b. r - 9 = 13 + 9 + 9
r = 22
Solve. Check.
1c. y = 52
•2 • 2 y = 10
1d. 3m = 9 ÷ 3 ÷3
m = 3
Solve. Check.
3a. s + 6 = 0 -6 -6
s = -6
3b. z - 6 = -3 + 6 + 6
z = 3
Solve. Check.
3c. -d = -93
•-3 •-3 d = 27
3d. -x = 4 ÷-1 ÷-1
x = -4
Solve. Check.
5a. w - 18 = 27 +18 +18
w = 45
5b. 9m = 12 ÷9 ÷9
m = 12/9 = 4/3
Solve. Check.
5c. s = 54
•4 •4 s = 20
5d. b + 12 = 11 -12 -12
x = -1
Solving Two-Step Equations
Solve. Check.
1a. 3x - 5 = 16
+5 + 5 3x = 21
÷3 ÷3
x = 7
Solve. Check.
1b. -14r - 7 = 49
+7 + 7 -14r = 56
÷-14 ÷-14
r = -4
Solve. Check.
1c. 25a - 4 = 96
+4 +4 25a = 100
÷25 ÷25
a = 4
Solve. Check.
1d. 60y - 7 = 173
+7 +7
60y = 180
÷60 ÷60
y = 3
Solve. Check.
3a. 8a - 7 = 65
+7 +7
8a = 72
÷8 ÷8
a = 9
Solve. Check.
3b. 23y + 6 = 75
-6 -6
23y = 69
÷23 ÷23
y = 3
Solve. Check.
3c. 52x + 4 = -100
-4 -4
52x = -104
÷52 ÷52
x = -2
Solve. Check.
3d. -6z + 15 = 3
-15 - 15
-6z = -12
÷-6 ÷-6
z = 2
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