Verified answer

1.5-3х=0.2

-3х=0,2-1,5

-3х=-1,3

х=-1,3:(-3)

х=13/30

(18-16.9)*3.3+3:7.5=3,63+0,4=4,03

Verified answer

1). 1,5 - 3х = 0,21 3х= (1,5-0,21); 3x=1,29; x = 0,43

2)18-16,9=1,1; 1,1*3,3= 3,63; 3:7,5= 0,4; 3,63+0,4=4,03