Determining Variable Value To Balance Equations - Equation Worksheet With Answers Page 9
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30Name:
Determining Variable Value to Balance Equations
Find the value of x.
A n s w e r s
6
2
3
7
3
9
1.
2
4
8
2
9
10
2.
8
3.
1)
2)
3x + 14 = 77 - 4x
68 - 2x = 74 - 5x
2
4.
7x = 63
3x = 6
4
x = 9
x = 2
5.
7
6.
3)
4)
-11 + 3x = 29 + -2x
5x + 69 = -2x + 83
6
5x = 40
7x = 14
7.
x = 8
x = 2
3
8.
10
9.
5)
6)
61 - 3x = 97 - 12x
70 + -3x = -10x + 119
9x = 36
7x = 49
3
10.
x = 4
x = 7
7)
8)
75 + 1x = 135 + -9x
-2x + 52 = 79 + -11x
10x = 60
9x = 27
x = 6
x = 3
9)
10)
-4x + 64 = 144 - 12x
-4x + 68 = 80 - 8x
8x = 80
4x = 12
x = 10
x = 3
1-10 90 80 70 60 50 40 30 20 10 0
Modified
Math
3
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