Answer:
29x-15
Step-by-step explanation:
fifteenth term=x-1+14(2x-1)
=x-1+28x-14
=29x-15
14
x / y = 5 / 3, then 3x = 5y , x = 5/3y
we can type 5/3y instead of x ;
5/3y + y = 8/3y = 56, then y = 21
.
now let's find x ;
x - 21 = 56, then x = 35
x - y = 35 - 21 = 14
4
