6.8-(-2.5)=

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Solution for 6.8-(-2.5)= equation: 


Simplifying
6.8 + -1(-2.5) = 0

Multiply -1 * -2.5
6.8 + 2.5 = 0

Combine like terms: 6.8 + 2.5 = 9.3
9.3 = 0

Solving
9.3 = 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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