18-1+4=

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Solution for 18-1+4= equation: 


Simplifying
18 + -1 + 4 = 0

Combine like terms: 18 + -1 = 17
17 + 4 = 0

Combine like terms: 17 + 4 = 21
21 = 0

Solving
21 = 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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