Question

6r-7/10=r/4 show work please.

Answer 1

`(6r-7)/(10)=(r)/(4)\ \ \ |cross\ multiply\\\\4(6r-7)=10r\\\\24r-28=10r\ \ \ |add\ 28\ to\ both\ sides\\\\24r=10r+28\ \ \ \ |subtract\ 10r\ from\ both\ sides\\\\14r=28\ \ \ |divide\ both\ sides\ by\ 14\\\\\boxed{r=2}`