15x-31=9x+11

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Solution for 15x-31=9x+11 equation:


Simplifying
15x + -31 = 9x + 11

Reorder the terms:
-31 + 15x = 9x + 11

Reorder the terms:
-31 + 15x = 11 + 9x

Solving
-31 + 15x = 11 + 9x

Solving for variable 'x'.

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

Add '-9x' to each side of the equation.
-31 + 15x + -9x = 11 + 9x + -9x

Combine like terms: 15x + -9x = 6x
-31 + 6x = 11 + 9x + -9x

Combine like terms: 9x + -9x = 0
-31 + 6x = 11 + 0
-31 + 6x = 11

Add '31' to each side of the equation.
-31 + 31 + 6x = 11 + 31

Combine like terms: -31 + 31 = 0
0 + 6x = 11 + 31
6x = 11 + 31

Combine like terms: 11 + 31 = 42
6x = 42

Divide each side by '6'.
x = 7

Simplifying
x = 7

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