-4x-7+4x-12=90

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Solution for -4x-7+4x-12=90 equation: 


Simplifying
-4x + -7 + 4x + -12 = 90

Reorder the terms:
-7 + -12 + -4x + 4x = 90

Combine like terms: -7 + -12 = -19
-19 + -4x + 4x = 90

Combine like terms: -4x + 4x = 0
-19 + 0 = 90
-19 = 90

Solving
-19 = 90

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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