Question

Find the point of intersection of the following lines.

(ii) 7x + y + 3 = 0, x + y = 0​

Answer 1

Step-by-step explanation:

7x +y+3 =0

x+y=0

:7x +y=3...1

x+y=0....2

sub eq 1 and 2

6x=3

x=3/6

x=2

put x=2 in eq 1

7(2)+y=3

14+y =3

:y=14 -3

y=11

(x,y)= (2,11)