31=5x-9

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Solution for 31=5x-9 equation:


Simplifying
31 = 5x + -9

Reorder the terms:
31 = -9 + 5x

Solving
31 = -9 + 5x

Solving for variable 'x'.

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

Add '-5x' to each side of the equation.
31 + -5x = -9 + 5x + -5x

Combine like terms: 5x + -5x = 0
31 + -5x = -9 + 0
31 + -5x = -9

Add '-31' to each side of the equation.
31 + -31 + -5x = -9 + -31

Combine like terms: 31 + -31 = 0
0 + -5x = -9 + -31
-5x = -9 + -31

Combine like terms: -9 + -31 = -40
-5x = -40

Divide each side by '-5'.
x = 8

Simplifying
x = 8

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