12x-13-x-9+10x=21x

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Solution for 12x-13-x-9+10x=21x equation:


Simplifying
12x + -13 + -1x + -9 + 10x = 21x

Reorder the terms:
-13 + -9 + 12x + -1x + 10x = 21x

Combine like terms: -13 + -9 = -22
-22 + 12x + -1x + 10x = 21x

Combine like terms: 12x + -1x = 11x
-22 + 11x + 10x = 21x

Combine like terms: 11x + 10x = 21x
-22 + 21x = 21x

Add '-21x' to each side of the equation.
-22 + 21x + -21x = 21x + -21x

Combine like terms: 21x + -21x = 0
-22 + 0 = 21x + -21x
-22 = 21x + -21x

Combine like terms: 21x + -21x = 0
-22 = 0

Solving
-22 = 0

Couldn't find a variable to solve for.

This equation is invalid, the left and right sides are not equal, therefore there is no solution.

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