2-17+21-(-1)=

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Solution for 2-17+21-(-1)= equation: 


Simplifying
2 + -17 + 21 + -1(-1) = 0

Multiply -1 * -1
2 + -17 + 21 + 1 = 0

Combine like terms: 2 + -17 = -15
-15 + 21 + 1 = 0

Combine like terms: -15 + 21 = 6
6 + 1 = 0

Combine like terms: 6 + 1 = 7
7 = 0

Solving
7 = 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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