Question

what is the value of k if the value of Dy for the equation 3x + y =1 and 2x - ky = 3 is 7​

Answer 1

Answer:

3x+ y=1

3x=y- 1

x= y-1 / 3

2(y-1/3) - ky=3

2y-2- ky =3×3

2y-ky =9+2

y(2-k) =11

2-k= 11/y

-k=11×2/y

-k=22/y

Step-by-step explanation:

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