2x-9x+7=5x+31

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Solution for 2x-9x+7=5x+31 equation:


Simplifying
2x + -9x + 7 = 5x + 31

Reorder the terms:
7 + 2x + -9x = 5x + 31

Combine like terms: 2x + -9x = -7x
7 + -7x = 5x + 31

Reorder the terms:
7 + -7x = 31 + 5x

Solving
7 + -7x = 31 + 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.
7 + -7x + -5x = 31 + 5x + -5x

Combine like terms: -7x + -5x = -12x
7 + -12x = 31 + 5x + -5x

Combine like terms: 5x + -5x = 0
7 + -12x = 31 + 0
7 + -12x = 31

Add '-7' to each side of the equation.
7 + -7 + -12x = 31 + -7

Combine like terms: 7 + -7 = 0
0 + -12x = 31 + -7
-12x = 31 + -7

Combine like terms: 31 + -7 = 24
-12x = 24

Divide each side by '-12'.
x = -2

Simplifying
x = -2

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