6(-7+9)=-72

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Solution for 6(-7+9)=-72 equation: 


Simplifying
6(-7 + 9) = -72

Combine like terms: -7 + 9 = 2
6(2) = -72

Multiply 6 * 2
12 = -72

Solving
12 = -72

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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