5x+x-3x=-12

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Solution for 5x+x-3x=-12 equation: 


Simplifying
5x + x + -3x = -12

Combine like terms: 5x + x = 6x
6x + -3x = -12

Combine like terms: 6x + -3x = 3x
3x = -12

Solving
3x = -12

Solving for variable 'x'.

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

Divide each side by '3'.
x = -4

Simplifying
x = -4

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