18=(12-7)

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Solution for 18=(12-7) equation: 


Simplifying
18 = (12 + -7)

Combine like terms: 12 + -7 = 5
18 = (5)
18 = 5

Solving
18 = 5

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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