15+16+7-20=

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Solution for 15+16+7-20= equation: 


Simplifying
15 + 16 + 7 + -20 = 0

Combine like terms: 15 + 16 = 31
31 + 7 + -20 = 0

Combine like terms: 31 + 7 = 38
38 + -20 = 0

Combine like terms: 38 + -20 = 18
18 = 0

Solving
18 = 0

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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