Question

How do you solve `\frac { y - 1} { y + 6} = \frac { 3} { 7}`?

Answer 1

`y=25/4`

Explanation:

`\frac { y - 1} { y + 6} = \frac { 3} { 7}`
cross multiplication
`7(y-1)=3(y+6)`
`7y-7=3y+18`
`7y-3y=18+7`
`4y=25`
`y=25/4`