7[2-(4-5)]=

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Solution for 7[2-(4-5)]= equation: 


Simplifying
7[2 + -1(4 + -5)] = 0

Combine like terms: 4 + -5 = -1
7[2 + -1(-1)] = 0

Multiply -1 * -1
7[2 + 1] = 0

Combine like terms: 2 + 1 = 3
7[3] = 0

Multiply 7 * 3
21 = 0

Solving
21 = 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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