Question

help me for exam plzzzzzzz

Answer 1

2x+y=7

put x=1

then 2(1)+y=7
2+y=7
y=7-2=5

put x=2 then
4+y=7
y=3

similary put x=3 then
y= 1

put x=4 then
y=-1

select as brainlist ^_^