Explanation:
(PEMDAS).
50/(20-y)-1=4
50/(20-y)=5
Next, we can cross-multiply to get rid of the fraction:
50 = 5(20-y)
Simplifying further, we get:
50 = 100 - 5y
-50 = -5y
10 = y
Therefore, the solution to the equation is y=10.
Answer: y=10
9.5m questions
12.2m answers