Solving Proportions?

2 ⤊

Solving Proportions?

y-3/y+1 = 6/8

2007-01-04 16:38:15 · 3 answers · asked by jrrkidd 1 in Science & Mathematics ➔ Mathematics

3 answers

8(y-3)=6(y+1)
8y-24=6y+6
2y=30
y=15

2007-01-04 16:41:13 · answer #1 · answered by raj 7 · 1⤊ 0⤋

Cross multiply:
8(y-3)=6(y+1)

Use distributive property:
8y-24=6y+6

Subtract 6y from both sides:
2y-24=6

Add 24 from both sides:
2y=30
y=15

Check:
(15-3)/(15+1)=6/8
12/16=6/8
6/8=6/8

2007-01-05 01:11:57 · answer #2 · answered by Anonymous · 0⤊ 0⤋

y=15

2007-01-05 00:41:46 · answer #3 · answered by hgghhfhgfjh 1 · 1⤊ 0⤋