A community for students.
Here's the question you clicked on:
← 55 members online
 0 viewing
anonymous
 4 years ago
How do you find a b and c for
a=b+3
a+2c=10
b+c=3
anonymous
 4 years ago
How do you find a b and c for a=b+3 a+2c=10 b+c=3

This Question is Closed

jim_thompson5910
 4 years ago
Best ResponseYou've already chosen the best response.1Solve b+c=3 for c to get c = b+3

jim_thompson5910
 4 years ago
Best ResponseYou've already chosen the best response.1Now plug a = b+3 into the second equation to get a+2c=10 (b+3)+2c=10 b+3+2c=10 Then plug in c = b+3 to get b+3+2c=10 b+3+2(b+3)=10 Solve this last equation for b. Tell me what you get.

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0What do you plug c=b+3 into?

jim_thompson5910
 4 years ago
Best ResponseYou've already chosen the best response.1into b+3+2c=10

jim_thompson5910
 4 years ago
Best ResponseYou've already chosen the best response.1notice how I replaced 'c' with b+3

jim_thompson5910
 4 years ago
Best ResponseYou've already chosen the best response.1you can now use this to find 'a' and 'c'

jim_thompson5910
 4 years ago
Best ResponseYou've already chosen the best response.1all 3 are correct
Ask your own question
Sign UpFind more explanations on OpenStudy
Your question is ready. Sign up for free to start getting answers.
spraguer
(Moderator)
5
→ View Detailed Profile
is replying to Can someone tell me what button the professor is hitting...
23
 Teamwork 19 Teammate
 Problem Solving 19 Hero
 Engagement 19 Mad Hatter
 You have blocked this person.
 ✔ You're a fan Checking fan status...
Thanks for being so helpful in mathematics. If you are getting quality help, make sure you spread the word about OpenStudy.