Answer:
19
Step-by-step explanation:
It is all prime numbers. The next prime number after 17 is 19.
First equate 4x+7y=3x,
we get, x+7y=0 ---->equ 1
Now equate 3x=y-2, we get 3x-y=-2 ----->equ2
solve equ 1,2,
We get x= -7/11, y=1/11
14 Bc 6.5 + 6.5 = 12 + 1/2+1/2 = 13
