Answers

2016-03-06T23:22:47+05:30
I can explain it through an example.
lets consider  2x+4y = 8
let x = 1
then 2(1) + 4y = 8
2-4y=8
-4y = 6
-y = 6/4
y = -3/2
then left to the 0 the negative n.o will be there on the n.o line.
there at the point 3/2 mark it as y
0