Answer:
w = (30 - 5z)/4
Step-by-step explanation:
solve with inverse operations
4w + 5z = 30
-5z -5z
4w = 30 - 5z
/4 /4
w = (30 - 5z) / 4
w=15/2-5z/4
4w+5z=30
4w=30-5z
Divide 4 on both sides
w=30/4-5z/4
