12-(-1+8)=18

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Solution for 12-(-1+8)=18 equation:


Simplifying
12 + -1(-1 + 8) = 18

Combine like terms: -1 + 8 = 7
12 + -1(7) = 18

Multiply -1 * 7
12 + -7 = 18

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

Solving
5 = 18

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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