Question

b-7/9b=3,6 помогите пожалуйста

Answer 1

b-7/9b=3.6
2/9b =3 6/10
2/9b=3 3/5
b=3 3/5 ÷2/9
b=18/5 × 9/2
b=81/5=16 1/5=16.2

Answer 2

b - 7/9b = 3,6
2/9b = 36/10
b = 36/10 : 2/9
b = 36/10 * 9/2
b = 162/10
b = 16 2/10 = 16 1/5 = 16,2
b = 16,2