Question

Solve graphically the following pair of linear equations
x + y = -1
2x - y = 7

Answer 1

Step-by-step explanation:

X+y=-1_____(I)

2x-y=7_____(ii)

________

3x=6

X=6/3

X=2

putting the value of Din en(I)

X+y=-1

2+y=-1

y=-1-2

y=-3