1+7-18=-9

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Solution for 1+7-18=-9 equation: 


Simplifying
1 + 7 + -18 = -9

Combine like terms: 1 + 7 = 8
8 + -18 = -9

Combine like terms: 8 + -18 = -10
-10 = -9

Solving
-10 = -9

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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