Question

реши уравнение: 2/5y + 3/10y - 2/15y = 1/6 срочно плз

Answer 1

2/5y + 3/10y - 2/15y = 1/6
12/30у + 9/30у - 4/30у = 1/6
(12+9-4)/30у = 1/6
17/30у = 1/6
у = 17/30 : 1/6
y = 17*6/30
y = 17/5 = 3 2/5

Answer 2

1230у+930у-430у=16
1730у=16
30у=16*17
30у=176
у=17180