6-21-7+31=

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Solution for 6-21-7+31= equation: 


Simplifying
6 + -21 + -7 + 31 = 0

Combine like terms: 6 + -21 = -15
-15 + -7 + 31 = 0

Combine like terms: -15 + -7 = -22
-22 + 31 = 0

Combine like terms: -22 + 31 = 9
9 = 0

Solving
9 = 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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