90.4k views
2 votes
Solve for y please: 3/y-4 = 4/5

2 Answers

6 votes

Answer:

y = 7.75

Explanation:

3 = 4/5 x y-4

3x5 = 4 x y-4

15 = 4y-16

15+16 = 4y

31/4 = y

y = 7.75

User Bryan Kimani
by
7.6k points
3 votes

Answer:

7.75

Explanation:

Multiply y-4 both sides

(y-4) 3/y-4 =4/5(y-4)

3=4/5(y-4)

3/(4/5)=y-4

(3/(4/5))+4

Put in calculator

y=31/4

y=7.75

User Michael Place
by
7.8k points