Question

Find k if (-2,2) is a solution of x+3y=k/2

Answer 1

substituting the values,

-2 + 3×2 = k/2
-2+6 = k/2
k/2 = 4
k = 4×2 = 8

Answer 2

You just have to substitute -2=x and 2=y

-2+3*2=k/2
-2+6=k/2
4=k/2
k=8

Hope this helps..!!