4-(-3.5)+(-7.9)=

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Solution for 4-(-3.5)+(-7.9)= equation: 


Simplifying
4 + -1(-3.5) + (-7.9) = 0

Multiply -1 * -3.5
4 + 3.5 + (-7.9) = 0
4 + 3.5 + -7.9 = 0

Combine like terms: 4 + 3.5 = 7.5
7.5 + -7.9 = 0

Combine like terms: 7.5 + -7.9 = -0.4
-0.4 = 0

Solving
-0.4 = 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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