Question

pair of equations 5x-15=16and 3x-9y=48/5has
​

Answer 1

Answer:

Step-by-step explanation:

Given equations as:

5x−15y=8      .....(1)

3x−9y=  

5

24

​  

 

⇒15x−45y=24     .....(2)

From the equations (1) and (2), we have

a  

2

​  

 

a  

1

​  

 

​  

=  

15

5

​  

=  

3

1

​  

 

b  

2

​  

 

b  

1

​  

 

​  

=  

45

15

​  

=  

3

1

​  

 

c  

2

​  

 

c  

1

​  

 

​  

=  

24

8

​  

=  

3

1

​  

 

⇒  

a  

2

​  

 

a  

1

​  

 

​  

=  

b  

2

​  

 

b  

1

​  

 

​  

=  

c  

2

​  

 

c  

1

​  

 

​  

 

Hence pair of equation has infinitely  many  solutions.