Question

Find the value of p for which the pair of linear equation 2px +3y=7,2x+y=6 has exactly one solution

Answer 1

2px+3y=7
2px+y=7/3
2x+y=7/3p
6=7/3p
6*3p=7
18p=7
p=7/18
p=0.3888888

Answer 2

Answer:

2px+3y=7

2px+y =7/3

2x+y=7/3p

6=7/3p

6×3p=7/18p

p=7/18

p=0.38888