80-40+5-20=

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Solution for 80-40+5-20= equation: 


Simplifying
80 + -40 + 5 + -20 = 0

Combine like terms: 80 + -40 = 40
40 + 5 + -20 = 0

Combine like terms: 40 + 5 = 45
45 + -20 = 0

Combine like terms: 45 + -20 = 25
25 = 0

Solving
25 = 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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