9-7x+12=4x+21-11x

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Solution for 9-7x+12=4x+21-11x equation: 


Simplifying
9 + -7x + 12 = 4x + 21 + -11x

Reorder the terms:
9 + 12 + -7x = 4x + 21 + -11x

Combine like terms: 9 + 12 = 21
21 + -7x = 4x + 21 + -11x

Reorder the terms:
21 + -7x = 21 + 4x + -11x

Combine like terms: 4x + -11x = -7x
21 + -7x = 21 + -7x

Add '-21' to each side of the equation.
21 + -21 + -7x = 21 + -21 + -7x

Combine like terms: 21 + -21 = 0
0 + -7x = 21 + -21 + -7x
-7x = 21 + -21 + -7x

Combine like terms: 21 + -21 = 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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