4+20-7=

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Solution for 4+20-7= equation: 


Simplifying
4 + 20 + -7 = 0

Combine like terms: 4 + 20 = 24
24 + -7 = 0

Combine like terms: 24 + -7 = 17
17 = 0

Solving
17 = 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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