9x+15=5x+31

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Solution for 9x+15=5x+31 equation:


Simplifying
9x + 15 = 5x + 31

Reorder the terms:
15 + 9x = 5x + 31

Reorder the terms:
15 + 9x = 31 + 5x

Solving
15 + 9x = 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.
15 + 9x + -5x = 31 + 5x + -5x

Combine like terms: 9x + -5x = 4x
15 + 4x = 31 + 5x + -5x

Combine like terms: 5x + -5x = 0
15 + 4x = 31 + 0
15 + 4x = 31

Add '-15' to each side of the equation.
15 + -15 + 4x = 31 + -15

Combine like terms: 15 + -15 = 0
0 + 4x = 31 + -15
4x = 31 + -15

Combine like terms: 31 + -15 = 16
4x = 16

Divide each side by '4'.
x = 4

Simplifying
x = 4

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