Question

for simultaneous equations in variable x and y ,Dx=49 Dy =63,D=7, than what is x.​

Answer 1

Step-by-step explanation:

for simultaneous equations in variable x and y ,Dx=49 Dy =63,D=7, than what is x.

Answer 2

Step-by-step explanation:

Dx=49 and Dy=63 (D=7)

7x=49 and 7y= 63

x=49/7 and y= 63/ 7

x= 7 and y = 9