(-67)-(-87)=

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Solution for (-67)-(-87)= equation: 


Simplifying
(-67) + -1(-87) = 0
-67 + -1(-87) = 0

Multiply -1 * -87
-67 + 87 = 0

Combine like terms: -67 + 87 = 20
20 = 0

Solving
20 = 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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