-[-(-7+9)]=

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


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

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

Multiply -1 * 2
-1[-2] = 0

Multiply -1 * -2
2 = 0

Solving
2 = 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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