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Mathematics 16 Online
OpenStudy (anonymous):

7(c-9)=9(2c-8)+4c

OpenStudy (anonymous):

multiply the 7 and the 9 into their respective parenthesis

OpenStudy (anonymous):

\[7c - 63 = 18c - 72 + 4c\] just simplify that, not gonna do all the work for you

OpenStudy (anonymous):

you should get \[c=\frac{3}{5}\] when you are done

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