а) 6b-(2+3b)=
б)-3(x+5)+6(x-2)=
в)1/6x+2 1/3=5/6=
г)y:3 1/3=1 1/5:1/2

а) 6b-(2+3b) =6b-2-3b=3b-2б) -3(x+5) +6(x-2) =-3x-15+6x-12=3x-3в) 1/6x+2 1/3=5/6 1/6x+7/3=5/6 1/6x=5/6-7/3 1/6x=-9/6 x = -9/6: 1/6 x = -9г) y: 3 1/3=1 1/5: 1/2 y: 10/3=6/5: 1/2 = 6/5 × 2/1 y: 10/3 = 12/5 y = 12/5 × 10/3 y = 8

а) 2/3

б) 9

в) -1/9

г) 14 2/3