Question

For a simultaneous equation in x and y, Dx = 40, Dy =50 D = 2 then y = ​

Answer 1

Answer:

Ans is 5

Step-by-step explanation:

Dx=25

Dy=50

at D=5

⇒5x=25

⇒x=

5

25

=5

5y=50

⇒y=

5

50

=10

⇒x=5.