Question

if the pair of linear equation x+2y =3 and 2x+4y =k are ​

Answer 1

Answer:

first we will find y from equation x+2Y=3

so y = 3-x/2

thus putting the value of y in equation 2 that is 2x+4y=k

2x+4×(3-×/2)=k

2x+2(3-x)=k

2x+6-2x=k

we will cancel -2x from 2x so k=6