-2.5-(-8.7)=

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Solution for -2.5-(-8.7)= equation: 


Simplifying
-2.5 + -1(-8.7) = 0

Multiply -1 * -8.7
-2.5 + 8.7 = 0

Combine like terms: -2.5 + 8.7 = 6.2
6.2 = 0

Solving
6.2 = 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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