Solve for c
c = \frac{11}{3} = 3\frac{2}{3} \approx 3.666666667
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-\frac{15}{3}+\frac{4}{3}+c=0
Convert -5 to fraction -\frac{15}{3}.
\frac{-15+4}{3}+c=0
Since -\frac{15}{3} and \frac{4}{3} have the same denominator, add them by adding their numerators.
-\frac{11}{3}+c=0
Add -15 and 4 to get -11.
c=\frac{11}{3}
Add \frac{11}{3} to both sides. Anything plus zero gives itself.
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