Pl help its for home work

Step-by-step explanation:
B
[tex]6x + 8y = - 2 \\ [/tex]
B is a multiple of A
[tex]3x + 4y = - 1 \\ if \: multiplied \: by \: 2 \\ = 6x + 4y = - 2[/tex]
and since the two systems A and B
have
[tex]2x + y = 5[/tex]
then the two systems have the same solution