Question

Pls do #13 pls pls pls

Answer 1

y = 7

Simplifying numerators/ denominators

`(1+3)/(-1+3)` =
`(y-1)/(2+1)`

`(4)/(2)` =
`(y-1)/(3)`

2 =
`(y-1)/(3)` (cross- multiply )

y - 1 = 6 ( add 1 to both sides )

y = 7