Respuesta :

y = -1

Get the variable on one side of the equation...

9 + y = 8

9 + y - 9 = 8 - 9

y = -1

Answer:

y = -1

Step-by-step explanation:

This is a one-step equation. All you have to do is subtract the 9 from the left side to move it to the right side. This would give you an answer of y = -1.