7-8x=71

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Solution for 7-8x=71 equation: 


Simplifying
7 + -8x = 71

Solving
7 + -8x = 71

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 + -8x = 71 + -7

Combine like terms: 7 + -7 = 0
0 + -8x = 71 + -7
-8x = 71 + -7

Combine like terms: 71 + -7 = 64
-8x = 64

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

Simplifying
x = -8

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