3а+8b/a+6b =
а/b=4 => b/a = 1/4
a/b=4 => a=4b или b=a/4
= 3a+6b+2 = 12b+6b+2 = 18b+2 или = 18а/4 + 2 = 4,5а+2
3а+8b/a+6b =
а/b=4 => b/a = 1/4
a/b=4 => a=4b или b=a/4
= 3a+6b+2 = 12b+6b+2 = 18b+2 или = 18а/4 + 2 = 4,5а+2