6y-8x=14(1)
Y=x+5(2)
6y-8x=14(3) ×1
Y-x=5(4)×6
6y-8x=14
6y-6x=30
-2x=16
X=8
Put x into equation 1
6y-8x=14
6y-8(8)=14
6y-64=14
6y=14+64
6y=78
6y=78
Y=13
21.5.......:::..............:.::.::..
No.
This is because since each bottle of juice costs $2, five would cost $10. Thus, making it so she does not have enough money as she only has $9.
Hope this helps!
You have to divide 28 by two, then times the answer (14) by five, making it 70