-8.5x-3.5x=-78

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Solution for -8.5x-3.5x=-78 equation: 


Simplifying
-8.5x + -3.5x = -78

Combine like terms: -8.5x + -3.5x = -12x
-12x = -78

Solving
-12x = -78

Solving for variable 'x'.

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

Divide each side by '-12'.
x = 6.5

Simplifying
x = 6.5

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