1)4,2х+8,4=14,7
2)0,39:х-0,1=0,16

1)4,2х+8,4=14,74,2x=14,7-8,44,2x=6,3x=6,3:4,2x=1,5============== 2)0,39:х-0,1=0,160,39:x=0,16+0,10,39:x=0,26x=0,39:0,26x=1,5

1) 4,2х=14,7-8,44,2х=6,3х=6,3:4,2х=1,52) 0,39:х=0,16+0,10,39:х=0,26х=0,39:0,26х=1,5