Subtract 5 from both sides then you get -3r+9=-4r then add 3r to both sides then you get 9=-1r then divide both sides by -1 and you get r=-9
My answer is that you can multiply many different ways to git the answers and it is really easy for you if you round your factors that you are multiply.
Answer:
5. x = -3
6. x = -2
7. x = 1/2
8. x = 9/5
Step-by-step explanation:
Answer:
$1.4 B per year
Step-by-step explanation:
Answer:
one pencil cost $0.15
Step-by-step explanation:
