-5x+-7x=-84

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Solution for -5x+-7x=-84 equation: 


Simplifying
-5x + -7x = -84

Combine like terms: -5x + -7x = -12x
-12x = -84

Solving
-12x = -84

Solving for variable 'x'.

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

Divide each side by '-12'.
x = 7

Simplifying
x = 7

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