-8x+7=31

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Solution for -8x+7=31 equation: 


Simplifying
-8x + 7 = 31

Reorder the terms:
7 + -8x = 31

Solving
7 + -8x = 31

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 = 31 + -7

Combine like terms: 7 + -7 = 0
0 + -8x = 31 + -7
-8x = 31 + -7

Combine like terms: 31 + -7 = 24
-8x = 24

Divide each side by '-8'.
x = -3

Simplifying
x = -3

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