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Mathematics 20 Online
OpenStudy (anonymous):

how to work what: 7c+12=-4c+78

OpenStudy (anonymous):

\[7c+12=-4c+78 \] \[ \Rightarrow 11c = 66 \] \[ \Rightarrow c = 6 \]

OpenStudy (anonymous):

thanks!

OpenStudy (anonymous):

Glad to help :)

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