Question

Solve graphically: x - y +4 = 0, 3x + y +4= 0.​

Answer 1

Answer:

when we solving equation by add both equation we get:

4x+8=0

so,x=-2

for y put value of x in equation no 1

-2-y+4=0

y=2

we (x,y)=(-2,2)