-120-9x=9x+15

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Solution for -120-9x=9x+15 equation:


Simplifying
-120 + -9x = 9x + 15

Reorder the terms:
-120 + -9x = 15 + 9x

Solving
-120 + -9x = 15 + 9x

Solving for variable 'x'.

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

Add '-9x' to each side of the equation.
-120 + -9x + -9x = 15 + 9x + -9x

Combine like terms: -9x + -9x = -18x
-120 + -18x = 15 + 9x + -9x

Combine like terms: 9x + -9x = 0
-120 + -18x = 15 + 0
-120 + -18x = 15

Add '120' to each side of the equation.
-120 + 120 + -18x = 15 + 120

Combine like terms: -120 + 120 = 0
0 + -18x = 15 + 120
-18x = 15 + 120

Combine like terms: 15 + 120 = 135
-18x = 135

Divide each side by '-18'.
x = -7.5

Simplifying
x = -7.5

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