2(-2)-(-1)=

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Solution for 2(-2)-(-1)= equation: 


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

Multiply 2 * -2
-4 + -1(-1) = 0

Multiply -1 * -1
-4 + 1 = 0

Combine like terms: -4 + 1 = -3
-3 = 0

Solving
-3 = 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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