13+27-18+20=

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Solution for 13+27-18+20= equation: 


Simplifying
13 + 27 + -18 + 20 = 0

Combine like terms: 13 + 27 = 40
40 + -18 + 20 = 0

Combine like terms: 40 + -18 = 22
22 + 20 = 0

Combine like terms: 22 + 20 = 42
42 = 0

Solving
42 = 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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