Solve this problem for the equation for y, 2x + 6 = -y

How do i do this? i don’t understand

Askate shop rents roller skates as shown on the table below. which graph and function models this situation?

Which zero pair could be added to the function f(x) = x2 + 12x + 6 so that the function can be written in vertex form? o 3, -3o 6,629,-936, 36