5x+31=8x-8

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Solution for 5x+31=8x-8 equation:


Simplifying
5x + 31 = 8x + -8

Reorder the terms:
31 + 5x = 8x + -8

Reorder the terms:
31 + 5x = -8 + 8x

Solving
31 + 5x = -8 + 8x

Solving for variable 'x'.

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

Add '-8x' to each side of the equation.
31 + 5x + -8x = -8 + 8x + -8x

Combine like terms: 5x + -8x = -3x
31 + -3x = -8 + 8x + -8x

Combine like terms: 8x + -8x = 0
31 + -3x = -8 + 0
31 + -3x = -8

Add '-31' to each side of the equation.
31 + -31 + -3x = -8 + -31

Combine like terms: 31 + -31 = 0
0 + -3x = -8 + -31
-3x = -8 + -31

Combine like terms: -8 + -31 = -39
-3x = -39

Divide each side by '-3'.
x = 13

Simplifying
x = 13

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