7x=8x-31

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Solution for 7x=8x-31 equation: 


Simplifying
7x = 8x + -31

Reorder the terms:
7x = -31 + 8x

Solving
7x = -31 + 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.
7x + -8x = -31 + 8x + -8x

Combine like terms: 7x + -8x = -1x
-1x = -31 + 8x + -8x

Combine like terms: 8x + -8x = 0
-1x = -31 + 0
-1x = -31

Divide each side by '-1'.
x = 31

Simplifying
x = 31

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