how do you do 32.5=4.3r+16-r and i want to understand it
32.5=4.3r+16-r
club r-terms
32.5 = 4.3r-r + 16
32.5 = 3.3r + 16
32.5 - 16 = 3.3r
16.5 = 3.3r
16.5/3.3 = r
5 = r
or r = 5