2[7+5]+4=-12

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Solution for 2[7+5]+4=-12 equation: 


Simplifying
2[7 + 5] + 4 = -12

Combine like terms: 7 + 5 = 12
2[12] + 4 = -12

Multiply 2 * 12
24 + 4 = -12

Combine like terms: 24 + 4 = 28
28 = -12

Solving
28 = -12

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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