Question

For simultaneous equations in variable x and y if Dx =49 , Dy = -63 , D= 7 than what is the value of x and y

Answer 1

Answer:

x = 7 , y = -9

Explanation:

D = 7 , Dx = 49 , Dy = 9

x = Dx

D

x = 49

7

x = 7

y = Dy

D

= -63

7

y = - 9