Question

Solve simultaneous equations graphically :
X+3y = 8
3X=2+2y

Answer 1

Answer:

x+3y=8

1. x=2, y=2

2+3y=8

3y=6

y=2

• y=0, x=8

x+3(0) =8

x=8

3x=2+2y

3x-2y=2

1. x=0, y=-1

3(0) -2y=2

-2y=2

y=-1

• y=2, x=2

3x-2(2) =2

3x-4=2

3x=6

x=2