answersLogoWhite

0

We have 3x+9y=36, or equivalently 12x+36y=144. We also have 12x+4y=18, so subtracting these we have 32y=126 or y=63/16. Substituting this into our original equation leaves 3x=36-9*63/16 or x = 12-3*63/16 = 3/16.

So: x=3/16, y=63/16

User Avatar

Wiki User

13y ago

Still curious? Ask our experts.

Chat with our AI personalities

SteveSteve
Knowledge is a journey, you know? We'll get there.
Chat with Steve
ViviVivi
Your ride-or-die bestie who's seen you through every high and low.
Chat with Vivi
ProfessorProfessor
I will give you the most educated answer.
Chat with Professor

Add your answer:

Earn +20 pts
Q: How does 3x plus 9y equals 36 using the same method as 12x plus 4y equals 18?
Write your answer...
Submit
Still have questions?
magnify glass
imp