-3(n + 5) = 12

pls help me asap

Step-by-step explanation:

-3(n + 5) = 12 [Distributive property]

-3n - 15 = 12

-3n = 27

-3n/-3 = 27/-3

n = 9

hello from mrbilldoesmath!

answer:

the domain is the set { -2, 0, 2, 3}

discussion:

the domain is the set of x values in the ordered pairs (x,y). taking the x, or first component, of each ordered pair gives   -2, 0, 2, 3.

you,

mrb