1.8-с+b-4.3c 8(6x -7) -17x 9y -5(17-y)

Question

1.8-с+b-4.3c
8(6x -7) -17x
9y -5(17-y)

Answer 1

1,8-5,3с+b
31x-56
14y-85

Answer 2

1,8-с+в-4,3с=1,8-5,3с+в

8(6х-7)-17х=48х-56-17х=31х-56

9у-5(17-у)=9у-85+5у=14у-85