Respuesta :

Answer:

r=5

hope this helps

Answer:

x = 1

Step-by-step explanation:

Information given

Y = 5

_________________

To find the x, you have to subtract 4 from y, since -x + 4 will give y.

5 = -x + 4

x =  4 - 5

x = 1

____________

Check your answer by substituting -1 with -x

5 = 1 + 4

5 = 5