7[1-5]+12+5=

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Solution for 7[1-5]+12+5= equation: 


Simplifying
7[1 + -5] + 12 + 5 = 0

Combine like terms: 1 + -5 = -4
7[-4] + 12 + 5 = 0

Multiply 7 * -4
-28 + 12 + 5 = 0

Combine like terms: -28 + 12 = -16
-16 + 5 = 0

Combine like terms: -16 + 5 = -11
-11 = 0

Solving
-11 = 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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