7.8-(-4.5)=

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Solution for 7.8-(-4.5)= equation: 


Simplifying
7.8 + -1(-4.5) = 0

Multiply -1 * -4.5
7.8 + 4.5 = 0

Combine like terms: 7.8 + 4.5 = 12.3
12.3 = 0

Solving
12.3 = 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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