9514 1404 393
Answer:
x = (u -y)/k
Explanation:
This is a 2-step linear equation of the kind you've been solving for a while.
Subtract the term not containing x. (step 1)
u = y +xk
u -y = xk
Divide by the coefficient of x. (step 2)
(u -y)/k = x
Your solution is ...
x = (u -y)/k