1-1+1+1=

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Solution for 1-1+1+1= equation: 


Simplifying
1 + -1 + 1 + 1 = 0

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

Combine like terms: 1 + 1 = 2
2 = 0

Solving
2 = 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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