C/d+2= f/g solve for c (show work)
c/d + 2 = f/g (subtract 2 from each side)c/d + 2 - 2 = f/g - 2c/d = f/g - 2 (multiply d to each side)c/d*d = d(f/g - 2)\(c = d( \frac{f}{g} -2)\ \textless \ -answer\)