w+7-w+w+7-w=40

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Solution for w+7-w+w+7-w=40 equation: 


Simplifying
w + 7 + -1w + w + 7 + -1w = 40

Reorder the terms:
7 + 7 + w + -1w + w + -1w = 40

Combine like terms: 7 + 7 = 14
14 + w + -1w + w + -1w = 40

Combine like terms: w + -1w = 0
14 + 0 + w + -1w = 40
14 + w + -1w = 40

Combine like terms: w + -1w = 0
14 + 0 = 40
14 = 40

Solving
14 = 40

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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