-120-7x=8x+15

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Solution for -120-7x=8x+15 equation:


Simplifying
-120 + -7x = 8x + 15

Reorder the terms:
-120 + -7x = 15 + 8x

Solving
-120 + -7x = 15 + 8x

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '-8x' to each side of the equation.
-120 + -7x + -8x = 15 + 8x + -8x

Combine like terms: -7x + -8x = -15x
-120 + -15x = 15 + 8x + -8x

Combine like terms: 8x + -8x = 0
-120 + -15x = 15 + 0
-120 + -15x = 15

Add '120' to each side of the equation.
-120 + 120 + -15x = 15 + 120

Combine like terms: -120 + 120 = 0
0 + -15x = 15 + 120
-15x = 15 + 120

Combine like terms: 15 + 120 = 135
-15x = 135

Divide each side by '-15'.
x = -9

Simplifying
x = -9

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