7[5+4(9-7)]=

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Solution for 7[5+4(9-7)]= equation: 


Simplifying
7[5 + 4(9 + -7)] = 0

Combine like terms: 9 + -7 = 2
7[5 + 4(2)] = 0

Multiply 4 * 2
7[5 + 8] = 0

Combine like terms: 5 + 8 = 13
7[13] = 0

Multiply 7 * 13
91 = 0

Solving
91 = 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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