-4+7+[-(-9)]=

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Solution for -4+7+[-(-9)]= equation: 


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

Multiply -1 * -9
-4 + 7 + [9] = 0
-4 + 7 + 9 = 0

Combine like terms: -4 + 7 = 3
3 + 9 = 0

Combine like terms: 3 + 9 = 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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