7-(4-9)=

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Solution for 7-(4-9)= equation: 


Simplifying
7 + -1(4 + -9) = 0

Combine like terms: 4 + -9 = -5
7 + -1(-5) = 0

Multiply -1 * -5
7 + 5 = 0

Combine like terms: 7 + 5 = 12
12 = 0

Solving
12 = 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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