Question

solve the following graphically
2x+y=8
x+2y=7

Answer 1

2x+y=8

y=8-2x

Let x=0 then,y=8-2（0）=8-0=8

let x=1then,y=8-2（1）=8-1=7

let x=2then,y=8-2(2)=8-4=4

Now, we have x=0,y=8

x=1,y=7

x=2,y=4

represent these points on the graph