Question

The pairs of linear equations 2x + 3y - 9 =0 and 4x + 6y - 18 = 0 represent the coincide
lines.​

Answer 1

yes it is coincident line and it has many solutions

(Hetarth Gandhi) ( d. p. high school ) (Ahmedabad, gujarat)

.

Answer 2

A =2,B=3,C=-9
a=4,b=6,c=-18


A/a=2/4=1/2
B/b=3/6=1/2
C/c=-9/-18=1/2
Therefore A/a=B/b=C/c
Coincide lines