2.2(14.8r - 3.8) =74,9 Divide both sides of the equation by 2.2
14.8r-3.8 = 34.045 Add 3.8 to both sides
14.8r =37.845 divide by 14.8
r=2.557
2.2(14.8r - 3.8) =74,9 Divide both sides of the equation by 2.2
14.8r-3.8 = 34.045 Add 3.8 to both sides
14.8r =37.845 divide by 14.8
r=2.557