Answer:
Solving the equation for w we get : 
Step-by-step explanation:
We are given the equation:
and we need to solve for w
We need to solve the given equation and find value of w.
We will solve in such a way that, w is on left-side of equation and all other terms are on right-side of the equation.
Solving:

Multiply z on both sides

Adding 4 on both sides

So, solving the equation for w we get : 