[5-9]-[12]=

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Solution for [5-9]-[12]= equation: 


Simplifying
[5 + -9] + -1[12] = 0

Combine like terms: 5 + -9 = -4
[-4] + -1[12] = 0
-4 + -1[12] = 0

Multiply -1 * 12
-4 + -12 = 0

Combine like terms: -4 + -12 = -16
-16 = 0

Solving
-16 = 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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