-3x-137=9x+115

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Solution for -3x-137=9x+115 equation:


Simplifying
-3x + -137 = 9x + 115

Reorder the terms:
-137 + -3x = 9x + 115

Reorder the terms:
-137 + -3x = 115 + 9x

Solving
-137 + -3x = 115 + 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.
-137 + -3x + -9x = 115 + 9x + -9x

Combine like terms: -3x + -9x = -12x
-137 + -12x = 115 + 9x + -9x

Combine like terms: 9x + -9x = 0
-137 + -12x = 115 + 0
-137 + -12x = 115

Add '137' to each side of the equation.
-137 + 137 + -12x = 115 + 137

Combine like terms: -137 + 137 = 0
0 + -12x = 115 + 137
-12x = 115 + 137

Combine like terms: 115 + 137 = 252
-12x = 252

Divide each side by '-12'.
x = -21

Simplifying
x = -21

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