Determining Variable Value To Balance Equations - Equation Worksheet With Answers Page 23
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30Answer Key
Name:
Determining Variable Value to Balance Equations
Find the value of x.
A n s w e r s
1)
2)
100 - 3x = -5x + 120
18 + 5x = 90 + -4x
10
2x = 20
9x = 72
1.
x = 10
x = 8
8
2.
5
3.
3)
4)
-1x + 56 = 106 + -11x
-2x + 22 = -8x + 52
5
4.
10x = 50
6x = 30
x = 5
x = 5
6
5.
5
6.
5
5)
6)
7.
9 + 4x = 27 + 1x
14 + 4x = 54 + -4x
3x = 18
8x = 40
7
8.
x = 6
x = 5
9
9.
5
10.
7)
8)
4x + 0 = 15 + 1x
19 + 1x = 75 - 7x
10
3x = 15
8x = 56
11.
x = 5
x = 7
8
12.
9)
10)
81 - 3x = 153 - 11x
31 - 4x = -7x + 46
8x = 72
3x = 15
x = 9
x = 5
11)
12)
-4x + 97 = -9x + 147
60 + -1x = -5x + 92
5x = 50
4x = 32
x = 10
x = 8
1-10 92 83 75 67 58 50 42 33 25 17
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