-6x-12x=-90

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Solution for -6x-12x=-90 equation: 


Simplifying
-6x + -12x = -90

Combine like terms: -6x + -12x = -18x
-18x = -90

Solving
-18x = -90

Solving for variable 'x'.

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

Divide each side by '-18'.
x = 5

Simplifying
x = 5

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