7(4-4+9)-13=-87

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Solution for 7(4-4+9)-13=-87 equation: 


Simplifying
7(4 + -4 + 9) + -13 = -87

Combine like terms: 4 + -4 = 0
7(0 + 9) + -13 = -87
7(9) + -13 = -87

Multiply 7 * 9
63 + -13 = -87

Combine like terms: 63 + -13 = 50
50 = -87

Solving
50 = -87

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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