-7+4-20+18=

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Solution for -7+4-20+18= equation: 


Simplifying
-7 + 4 + -20 + 18 = 0

Combine like terms: -7 + 4 = -3
-3 + -20 + 18 = 0

Combine like terms: -3 + -20 = -23
-23 + 18 = 0

Combine like terms: -23 + 18 = -5
-5 = 0

Solving
-5 = 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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