12+[5+(-7)]=

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


Simplifying
12 + [5 + (-7)] = 0
12 + [5 + -7] = 0

Combine like terms: 5 + -7 = -2
12 + [-2] = 0
12 + -2 = 0

Combine like terms: 12 + -2 = 10
10 = 0

Solving
10 = 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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