7x-12-3x+4-4x=15

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Solution for 7x-12-3x+4-4x=15 equation: 


Simplifying
7x + -12 + -3x + 4 + -4x = 15

Reorder the terms:
-12 + 4 + 7x + -3x + -4x = 15

Combine like terms: -12 + 4 = -8
-8 + 7x + -3x + -4x = 15

Combine like terms: 7x + -3x = 4x
-8 + 4x + -4x = 15

Combine like terms: 4x + -4x = 0
-8 + 0 = 15
-8 = 15

Solving
-8 = 15

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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