.2/3(2x + 3) - 1/5(6x - 5) = 8/15

kedua ruas dikalikan dg 15, menjadi :
5.2(2x+3) - 3.1(6x-5) = 8
10(2x+3) - 3(6x-5) = 8
20x+30-18x+15 = 8
20x-18x+30+15 = 8
2x+45 = 8
2x = 8-45
2x = -37
x = -37/2
x = -18 1/2