-7x-9x=80

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Solution for -7x-9x=80 equation: 


Simplifying
-7x + -9x = 80

Combine like terms: -7x + -9x = -16x
-16x = 80

Solving
-16x = 80

Solving for variable 'x'.

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

Divide each side by '-16'.
x = -5

Simplifying
x = -5

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