-4x-9x=-78

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Solution for -4x-9x=-78 equation: 


Simplifying
-4x + -9x = -78

Combine like terms: -4x + -9x = -13x
-13x = -78

Solving
-13x = -78

Solving for variable 'x'.

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

Divide each side by '-13'.
x = 6

Simplifying
x = 6

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