6 . (b - 3) = 10 - 2 . (b + 2) 83 + 5 . (у - 3) = 3 . (8у -9)
6b-18=10-2b-4 6b+2b=-4+10+18 8b=24 b=3 83+5y-15=24y-18 5y-24y=-18-83+15 -19y=-86