Question

Can someone show me how to solve this?

Answer 1

Close ms-Brains but your y value has to equal 12

Answer 2

When your x is 3

Answer 3

Substitute and solve for each answer choice and see which one is true. @Ms-Brains

Answer 4

So what is 3x=12

Answer 5

\[y = x+9\]
Substitute: \[12 = 3+9\]
\[12 = 12 (True)\]

Answer 6

It's D. That one is 12=12 true.

Answer 7

Yes!

Answer 8

Thank you for the help everyone! ^-^

Answer 9

Yes it is

Answer 10

o.O What is it then @Dani_Rose

Answer 11

When x=3 y=12 3(4)=12

Answer 12

Oh wait it is D lol I explained it on your other question

Answer 13

Omfg. This post is a mess. Thanks and bye everyone!

Answer 14

12=k12
12(/3)=k3(/3)
4=k
y=4x

Answer 15

@Ms-Brains