3+(-9)-(-20)=

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Solution for 3+(-9)-(-20)= equation: 


Simplifying
3 + (-9) + -1(-20) = 0
3 + -9 + -1(-20) = 0

Multiply -1 * -20
3 + -9 + 20 = 0

Combine like terms: 3 + -9 = -6
-6 + 20 = 0

Combine like terms: -6 + 20 = 14
14 = 0

Solving
14 = 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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