0.6 (х-2)-0.4 (6х+3)= 0.3(9х-38)
0.6х-1.2 - 2.4х-1.2= 2.7х-11,4 -2.4 +11.4 = 2.7x +1.8x 9 = 4.5x 90=45x x =45/90 = 1/2 x=1/2