solve 2(4r+6)=2/3(12r+18
2(4r + 6) = ²/₃(12r + 18)2(4r) + 2(6) = ²/₃(12r) + ²/₃(18) 8r + 12 = 8r + 12 - 8r - 8r 12 = 12