Question

Please hellp please helllp​

Answer 1

Check the attachment... hope it helps :)

x= +4 or -4

y= 7/17

Answer 2

a) y =
`(7)/(17)`

b) x = 4

Explanation:

a)
`(3y+2)/(5) =4y-1`

3y + 2 = 20y - 5

2 = 20y - 3y - 5

2 = 17y - 5

2 + 5 = 17y

7 = 17y

y =
`(7)/(17)`

b) x² + 5 = 21

x² = 21 - 5

x² = 16

x = √16

x = 4