31.5=x+86

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Solution for 31.5=x+86 equation:


Simplifying
31.5 = x + 86

Reorder the terms:
31.5 = 86 + x

Solving
31.5 = 86 + x

Solving for variable 'x'.

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

Add '-1x' to each side of the equation.
31.5 + -1x = 86 + x + -1x

Combine like terms: x + -1x = 0
31.5 + -1x = 86 + 0
31.5 + -1x = 86

Add '-31.5' to each side of the equation.
31.5 + -31.5 + -1x = 86 + -31.5

Combine like terms: 31.5 + -31.5 = 0.0
0.0 + -1x = 86 + -31.5
-1x = 86 + -31.5

Combine like terms: 86 + -31.5 = 54.5
-1x = 54.5

Divide each side by '-1'.
x = -54.5

Simplifying
x = -54.5

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