Respuesta :

Answer:

15

Step-by-step explanation:

y = 5 l -1 + 4 l

-1 + 4 = 3

3 would not become -3 because positives stay a positive in the inverse operation thing.

5 times 3 is 15

So y is 15

Answer:

if x=-1,than -1+4=3,after that we put 3 instesd of x+4,and it will be 5+3=8