Respuesta :

Space

Answer:

y = -5

Step-by-step explanation:

Step 1: Translate

"Sum" is addition

"a number y" is y

"-3" is -3

"is -8" means equal to -8

Step 2: Set up equation

y + -3 = -8

Step 3: Solve for y

  1. Simplify: y - 3 = -8
  2. Add 3 to both sides: y = -5