0,6(x+7)=0.5(x-3)+6.8
0.6x+4.2= 0.5x- 1.5+6.8
0.1x = 1.1
x=11
0,6x+ 4.2=0.5x-1.5+6.8
0.1x=-4.2-1.5+6.8
0.1x=1.1