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AEB047
 3 years ago
How do you find a b and c for
a=b+3
a+2c=10
b+c=3
AEB047
 3 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
 3 years ago
Best ResponseYou've already chosen the best response.1Solve b+c=3 for c to get c = b+3

jim_thompson5910
 3 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.

AEB047
 3 years ago
Best ResponseYou've already chosen the best response.0What do you plug c=b+3 into?

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

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

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

jim_thompson5910
 3 years ago
Best ResponseYou've already chosen the best response.1all 3 are correct
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