7x-7x+7=20

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Solution for 7x-7x+7=20 equation: 


Simplifying
7x + -7x + 7 = 20

Reorder the terms:
7 + 7x + -7x = 20

Combine like terms: 7x + -7x = 0
7 + 0 = 20
7 = 20

Solving
7 = 20

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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