(18-7)+1=-9

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


Simplifying
(18 + -7) + 1 = -9

Combine like terms: 18 + -7 = 11
(11) + 1 = -9
11 + 1 = -9

Combine like terms: 11 + 1 = 12
12 = -9

Solving
12 = -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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