Question

2/3(4,2-9,6х)=2,8(2/7-1/2х)

Answer 1

2/3(4,2-9,6х)=2,8(2/7-1/2х)
2/3*42/10-2/3*96/10х=28/10*2/7-28/10*1/2х
14/5-32/5х=4/5-7/5х
-32/5х+7/5х=4/5-14/5
-25/5х=-10/5
-5х=-2
5х=2
х=2/5
х=0,4