2x+9-9x=15-13x+6x-6

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Solution for 2x+9-9x=15-13x+6x-6 equation: 


Simplifying
2x + 9 + -9x = 15 + -13x + 6x + -6

Reorder the terms:
9 + 2x + -9x = 15 + -13x + 6x + -6

Combine like terms: 2x + -9x = -7x
9 + -7x = 15 + -13x + 6x + -6

Reorder the terms:
9 + -7x = 15 + -6 + -13x + 6x

Combine like terms: 15 + -6 = 9
9 + -7x = 9 + -13x + 6x

Combine like terms: -13x + 6x = -7x
9 + -7x = 9 + -7x

Add '-9' to each side of the equation.
9 + -9 + -7x = 9 + -9 + -7x

Combine like terms: 9 + -9 = 0
0 + -7x = 9 + -9 + -7x
-7x = 9 + -9 + -7x

Combine like terms: 9 + -9 = 0
-7x = 0 + -7x
-7x = -7x

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

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

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

Solving
0 = 0

Couldn't find a variable to solve for.

This equation is an identity, all real numbers are solutions.

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