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Mathematics 13 Online
OpenStudy (diamond77108):

4−(−c)=84 It not -80

alones (alones):

It's not negative eighty it's positive

OpenStudy (diamond77108):

thx

alones (alones):

Since you simplify it \(c+4=84\) and than subtract \(4\) from each sides \(\ c+4−\color{red}{4}=84−\color{red}{4}\) and your answer would be \(\ c=80\)

alones (alones):

You're welcome c:'

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