21x-8-18x+3=16x-3-13x+15

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Solution for 21x-8-18x+3=16x-3-13x+15 equation: 


Simplifying
21x + -8 + -18x + 3 = 16x + -3 + -13x + 15

Reorder the terms:
-8 + 3 + 21x + -18x = 16x + -3 + -13x + 15

Combine like terms: -8 + 3 = -5
-5 + 21x + -18x = 16x + -3 + -13x + 15

Combine like terms: 21x + -18x = 3x
-5 + 3x = 16x + -3 + -13x + 15

Reorder the terms:
-5 + 3x = -3 + 15 + 16x + -13x

Combine like terms: -3 + 15 = 12
-5 + 3x = 12 + 16x + -13x

Combine like terms: 16x + -13x = 3x
-5 + 3x = 12 + 3x

Add '-3x' to each side of the equation.
-5 + 3x + -3x = 12 + 3x + -3x

Combine like terms: 3x + -3x = 0
-5 + 0 = 12 + 3x + -3x
-5 = 12 + 3x + -3x

Combine like terms: 3x + -3x = 0
-5 = 12 + 0
-5 = 12

Solving
-5 = 12

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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