7x+15=7x-20

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Solution for 7x+15=7x-20 equation:


Simplifying
7x + 15 = 7x + -20

Reorder the terms:
15 + 7x = 7x + -20

Reorder the terms:
15 + 7x = -20 + 7x

Add '-7x' to each side of the equation.
15 + 7x + -7x = -20 + 7x + -7x

Combine like terms: 7x + -7x = 0
15 + 0 = -20 + 7x + -7x
15 = -20 + 7x + -7x

Combine like terms: 7x + -7x = 0
15 = -20 + 0
15 = -20

Solving
15 = -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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