Question

For a simultaneous equation in x and y, D = 25, D = 5 and D = 50.
Hence find the value of x.​

Answer 1

Answer:

Dx=25

Dy=50

at D=5

⇒5x=25

⇒x=

5

25

=5

5y=50

⇒y=

5

50

=10

⇒x=5.

Step-by-step explanation:

its halp you