А) 2/7x =2 2/7
2/7x = 2 2/7, x ≠ 0
2/7x = 16/7
14 = 112x
112x = 14
x = 1/8, x ≠ 0
x= 1/8
Б) 3/5 y=2 9/10 - 1/5
3/5 y = 29/10 - 1/5
3/5 y = 27/10
y = 9/2
А) 2/7x =2 2/7
2/7x = 2 2/7, x ≠ 0
2/7x = 16/7
14 = 112x
112x = 14
x = 1/8, x ≠ 0
x= 1/8
Б) 3/5 y=2 9/10 - 1/5
3/5 y = 29/10 - 1/5
3/5 y = 27/10
y = 9/2