3.1-(-4.7)=

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Solution for 3.1-(-4.7)= equation: 


Simplifying
3.1 + -1(-4.7) = 0

Multiply -1 * -4.7
3.1 + 4.7 = 0

Combine like terms: 3.1 + 4.7 = 7.8
7.8 = 0

Solving
7.8 = 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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