решите уравнение: 48:(9b-b)=2

Question

решите уравнение:

48:(9b-b)=2

Answer 1

2(9b-b)=48

2*8b=48

16b=48

b=48:16

b=3 

 

Answer 2

48:(9b-b)=2

48:8b=2

2 * 8b = 48

16b=48

b = 48 : 16

b = 3

48:(9 * 3 - 3) = 48: (27 - 3) = 48 : 24 = 2