12+[-4+(-9)]=

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Solution for 12+[-4+(-9)]= equation:


Simplifying
12 + [-4 + (-9)] = 0
12 + [-4 + -9] = 0

Combine like terms: -4 + -9 = -13
12 + [-13] = 0
12 + -13 = 0

Combine like terms: 12 + -13 = -1
-1 = 0

Solving
-1 = 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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