Question

Find the number of solutions of the pair of equations

2x-y = 5

4x-y = 5​

Answer 1

Answer:

2x-y−3=0

4x−y−5=0

Here a

1

=2,b

1

=1,c

1

=−3 and a

2

=4,b

2

=1,c

2

=−5

∴

a

2

a

1

=

4

2

=

2

1

b

2

b

1

=

1

1

=1

c

2

c

1

=

−5

−3

∵

a

2

a

1



=

b

2

b

1

∴ The line representing the equations intersect at a point.

Answer 2

Answer:

this is your answer

hope you are satisfied

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