7x+11-9x=20-15x+13x-9

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Solution for 7x+11-9x=20-15x+13x-9 equation: 


Simplifying
7x + 11 + -9x = 20 + -15x + 13x + -9

Reorder the terms:
11 + 7x + -9x = 20 + -15x + 13x + -9

Combine like terms: 7x + -9x = -2x
11 + -2x = 20 + -15x + 13x + -9

Reorder the terms:
11 + -2x = 20 + -9 + -15x + 13x

Combine like terms: 20 + -9 = 11
11 + -2x = 11 + -15x + 13x

Combine like terms: -15x + 13x = -2x
11 + -2x = 11 + -2x

Add '-11' to each side of the equation.
11 + -11 + -2x = 11 + -11 + -2x

Combine like terms: 11 + -11 = 0
0 + -2x = 11 + -11 + -2x
-2x = 11 + -11 + -2x

Combine like terms: 11 + -11 = 0
-2x = 0 + -2x
-2x = -2x

Add '2x' to each side of the equation.
-2x + 2x = -2x + 2x

Combine like terms: -2x + 2x = 0
0 = -2x + 2x

Combine like terms: -2x + 2x = 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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