решите уравнение: 3,45*(2,08-k)=6,21

Question

решите уравнение:

3,45*(2,08-k)=6,21

Answer 1

2.08 - K = 6.21 : 3.45
2.08 - K = 1.8
K = 2.08 - 1.8
K = 0.28

Answer 2

3,45 * (2,08 - k) = 6,21
7,176 - 3,45k = 6,21
3,45k = 7,176 - 6,21
3,45k = 0,966
k = 0,966:3,45
k = 0,28