7.5-(-6.9)=

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Solution for 7.5-(-6.9)= equation: 


Simplifying
7.5 + -1(-6.9) = 0

Multiply -1 * -6.9
7.5 + 6.9 = 0

Combine like terms: 7.5 + 6.9 = 14.4
14.4 = 0

Solving
14.4 = 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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