-4+9-1=

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Solution for -4+9-1= equation: 


Simplifying
-4 + 9 + -1 = 0

Combine like terms: -4 + 9 = 5
5 + -1 = 0

Combine like terms: 5 + -1 = 4
4 = 0

Solving
4 = 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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