-x-7x=80

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Solution for -x-7x=80 equation: 


Simplifying
-1x + -7x = 80

Combine like terms: -1x + -7x = -8x
-8x = 80

Solving
-8x = 80

Solving for variable 'x'.

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

Divide each side by '-8'.
x = -10

Simplifying
x = -10

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