18-(-7)=87

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Solution for 18-(-7)=87 equation: 


Simplifying
18 + -1(-7) = 87

Multiply -1 * -7
18 + 7 = 87

Combine like terms: 18 + 7 = 25
25 = 87

Solving
25 = 87

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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