Question

Hey guys pls help asap ​

Answer 1

- 36

Explanation:

1. y= -
`(1)/(9)` x --> substitute y with 4 (given value)

2. 4 = -
`(1)/(9)` x --> by multiplying 9 both side get rid of the 1/9

(4= -
`(1)/(9)` x)9 --> 36= - x

3. multiply " - " to both side to make "- x" to "x" --> (36= - x) - --> - 36 = x

- 36 = x => x = -36

Answer 2

47.5

Explanation: