18-(12-3)=

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Solution for 18-(12-3)= equation: 


Simplifying
18 + -1(12 + -3) = 0

Combine like terms: 12 + -3 = 9
18 + -1(9) = 0

Multiply -1 * 9
18 + -9 = 0

Combine like terms: 18 + -9 = 9
9 = 0

Solving
9 = 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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