Answer:
I'm doing the same thing and, I don't understand it either.
Step-by-step explanation:
Answer:
11y + 21
Step-by-step explanation:
mutipily 3 by y + 7 bc 3 is right outside of the parentheis which means to mutipily. Then u get 3y +21 +8y. then simpilfy
When it is in () it means multiply x=45
Basically this app helps you with any question you need you got to ask a question and people will answer it for you just like i am doing now also you can answer other peoples questions to get points.
To find the y-intercept, we set x=0 and solve for y.
