21x-6-15x+2=16x-7-10x+13

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Solution for 21x-6-15x+2=16x-7-10x+13 equation: 


Simplifying
21x + -6 + -15x + 2 = 16x + -7 + -10x + 13

Reorder the terms:
-6 + 2 + 21x + -15x = 16x + -7 + -10x + 13

Combine like terms: -6 + 2 = -4
-4 + 21x + -15x = 16x + -7 + -10x + 13

Combine like terms: 21x + -15x = 6x
-4 + 6x = 16x + -7 + -10x + 13

Reorder the terms:
-4 + 6x = -7 + 13 + 16x + -10x

Combine like terms: -7 + 13 = 6
-4 + 6x = 6 + 16x + -10x

Combine like terms: 16x + -10x = 6x
-4 + 6x = 6 + 6x

Add '-6x' to each side of the equation.
-4 + 6x + -6x = 6 + 6x + -6x

Combine like terms: 6x + -6x = 0
-4 + 0 = 6 + 6x + -6x
-4 = 6 + 6x + -6x

Combine like terms: 6x + -6x = 0
-4 = 6 + 0
-4 = 6

Solving
-4 = 6

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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