Question

Solve the equation for r:
3r-s/4 = 5t

Answer 1

multiply thru by 4 and divde thru by 3; then rearrange

Answer 2

might be easier to just divide thru by 3 to get r all alone; then move the s part away

Answer 3

(3r - s/4 = 5t) /3

r - s/12 = 5t/3

r = 5t/3 + s/12 ; simplify as wanted