Question

For Simultaneous equations
in variable x pret Dx= 25,
Dr=40,D=5, then what is the
value of x?​

Answer 1

Dx=25

Dy=50

at D=5

⇒5x=25

⇒x=

5

25

=5

5y=50

⇒y=

5

50

=10

⇒x=5.