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jim_thompson5910Best ResponseYou've already chosen the best response.1
Solve b+c=3 for c to get c = b+3
 one year ago

jim_thompson5910Best ResponseYou've already chosen the best response.1
Now 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.
 one year ago

AEB047Best ResponseYou've already chosen the best response.0
What do you plug c=b+3 into?
 one year ago

jim_thompson5910Best ResponseYou've already chosen the best response.1
into b+3+2c=10
 one year ago

jim_thompson5910Best ResponseYou've already chosen the best response.1
notice how I replaced 'c' with b+3
 one year ago

jim_thompson5910Best ResponseYou've already chosen the best response.1
you can now use this to find 'a' and 'c'
 one year ago

jim_thompson5910Best ResponseYou've already chosen the best response.1
all 3 are correct
 one year ago
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