Question

Solve the given equation graphically y=2x+1 & x+2y+3=0

Answer 1

Step-by-step explanation:

1)2x-y=-1.......(1)

2)x+2=-3

2(x+2y=-3)

2x+4y=-6....(2)

div. of (1)and(2)

2x-y=-1-2x+4y=-6

-3y=-6

y=-6÷3=2

y=2...(3)

2x-2=-1

2x=-1+2

x=1÷2