Question

solve graphically 2x+y=1 ;
2x-y=2​

Answer 1

Answer:

the answer will be y=0

and X=1/2

Answer 2

Answer:

for equation (1)

x(1)

2(1)+y=1

y=1-2

y= -1

(1,-1)

for equation (2)

x(-1)

2(-1)+y=2

-2-2= y

-4 = y

(-1,-4)