18-2-9=

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Solution for 18-2-9= equation: 


Simplifying
18 + -2 + -9 = 0

Combine like terms: 18 + -2 = 16
16 + -9 = 0

Combine like terms: 16 + -9 = 7
7 = 0

Solving
7 = 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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