-12x-3x=57

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Solution for -12x-3x=57 equation: 


Simplifying
-12x + -3x = 57

Combine like terms: -12x + -3x = -15x
-15x = 57

Solving
-15x = 57

Solving for variable 'x'.

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

Divide each side by '-15'.
x = -3.8

Simplifying
x = -3.8

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