Answer:
for the first photo the answer is 5x + 6(-x + 4) = 13
Step-by-step explanation:
if y equals to -x +4
then replace the y in this equation: 5x + 6y = 13 with this ( -x +4 ) its simple.
I cannot answer the other 2 photos at the moment but ill see if I can whenever else I have time.
Answer: Its 9 i took he test i hope this helps
Step-by-step explanation:
Answer:y=Mx+b
Step-by-step explanation:
Answer:
Factoring the term
we get 
Step-by-step explanation:
We need to factor the term: 
Factoring:

Taking (y+4) common

It cannot be further factored.
So, Factoring the term
we get 
Answer:
Yes
Step-by-step explanation:
Just trust me it does