Question

Draw a graph for each of the equation x+y=6 and x-y=2 on the same graph paper and find the co-ordinates of the point where the two straight line intersect

Answer 1

Answer:

let x=1

X-y=2

1-y=2

therefore y=2-1=-1

x+y=6

let x=2

(2)+y=6

2+y=6

let y=6-2=4