40+-40-5-20+-30=

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Solution for 40+-40-5-20+-30= equation: 


Simplifying
40 + -40 + -5 + -20 + -30 = 0

Combine like terms: 40 + -40 = 0
0 + -5 + -20 + -30 = 0
-5 + -20 + -30 = 0

Combine like terms: -5 + -20 = -25
-25 + -30 = 0

Combine like terms: -25 + -30 = -55
-55 = 0

Solving
-55 = 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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