Question

Solve the following pair of linear equation graphically 2x+3y+4=0,2x-3y-8=0

Answer 1

Answer:

2x+3y+4=0

2x-3y-8=0

on adding both the equation we get,

2x+3y+4+2x-3y-8=0=0

4x-4=0

4x=4

x=1

2x+3y+4=0

2×1+3y+4=0

2+4+3y=0

6+3y=0

3y=6

y=2

so,the answer is x=1

y=2