-7x-13x=-80

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Solution for -7x-13x=-80 equation: 


Simplifying
-7x + -13x = -80

Combine like terms: -7x + -13x = -20x
-20x = -80

Solving
-20x = -80

Solving for variable 'x'.

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

Divide each side by '-20'.
x = 4

Simplifying
x = 4

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