7-x=-80

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Solution for 7-x=-80 equation: 


Simplifying
7 + -1x = -80

Solving
7 + -1x = -80

Solving for variable 'x'.

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

Add '-7' to each side of the equation.
7 + -7 + -1x = -80 + -7

Combine like terms: 7 + -7 = 0
0 + -1x = -80 + -7
-1x = -80 + -7

Combine like terms: -80 + -7 = -87
-1x = -87

Divide each side by '-1'.
x = 87

Simplifying
x = 87

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