-(-6.9)=42.8

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Solution for -(-6.9)=42.8 equation: 


Simplifying
-1(-6.9) = 42.8

Multiply -1 * -6.9
6.9 = 42.8

Solving
6.9 = 42.8

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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