Question

x+y=4
3x+ky=8
k=?
what Is tha answer ​

Answer 1

Step-by-step explanation:

x=4-Y

12-3Y+KY=8

3Y-KY=4

Y(3-K)=4

3-k =4/y

-k=4/y-3

-k=4-3y÷Y

k=-4+3y÷Y