(12+3)-(7-9)=

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Solution for (12+3)-(7-9)= equation: 


Simplifying
(12 + 3) + -1(7 + -9) = 0

Combine like terms: 12 + 3 = 15
(15) + -1(7 + -9) = 0
15 + -1(7 + -9) = 0

Combine like terms: 7 + -9 = -2
15 + -1(-2) = 0

Multiply -1 * -2
15 + 2 = 0

Combine like terms: 15 + 2 = 17
17 = 0

Solving
17 = 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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