Question

A123
i For simultaneous equations in variable x and y ifDX=49,
Dy=-63, D= 7 then what is value of x?
​

Answer 1

Answer:

Given,

DX= 49

Dy =-63

D = 7

Since, DX= 49

So, 7X= 49 (Given)

So, X= 7

Hence, The value of X is 7