9x-31=86

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Solution for 9x-31=86 equation: 


Simplifying
9x + -31 = 86

Reorder the terms:
-31 + 9x = 86

Solving
-31 + 9x = 86

Solving for variable 'x'.

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

Add '31' to each side of the equation.
-31 + 31 + 9x = 86 + 31

Combine like terms: -31 + 31 = 0
0 + 9x = 86 + 31
9x = 86 + 31

Combine like terms: 86 + 31 = 117
9x = 117

Divide each side by '9'.
x = 13

Simplifying
x = 13

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