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airrbae
Group Title
What is the solution for this system of linear equations? I'm stuck,
y=2x+1
y+7x17
so 2x+1=7x17
??
 one year ago
 one year ago
airrbae Group Title
What is the solution for this system of linear equations? I'm stuck, y=2x+1 y+7x17 so 2x+1=7x17 ??
 one year ago
 one year ago

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satellite73 Group TitleBest ResponseYou've already chosen the best response.1
if the second one is \(y=7x17\) then yes
 one year ago

satellite73 Group TitleBest ResponseYou've already chosen the best response.1
\[2x+1=7x17\]
 one year ago

satellite73 Group TitleBest ResponseYou've already chosen the best response.1
add \(2x\) to both sides add \(17\) to both sides divide both sides by \(9\) will get you \(x\)
 one year ago

satellite73 Group TitleBest ResponseYou've already chosen the best response.1
if you want me to check your answer, let me know
 one year ago

airrbae Group TitleBest ResponseYou've already chosen the best response.0
so I get 1=9x17 then 9 divided 18 = 2? so x=2?
 one year ago

satellite73 Group TitleBest ResponseYou've already chosen the best response.1
you got it
 one year ago

airrbae Group TitleBest ResponseYou've already chosen the best response.0
how would I find y with this one?
 one year ago

satellite73 Group TitleBest ResponseYou've already chosen the best response.1
then of course you have to find \(y\) but since you know \(x=2\) that should be easy
 one year ago

satellite73 Group TitleBest ResponseYou've already chosen the best response.1
replace \(x\) by \(2\) in either equation if you want to check to make sure your answer is right, put \(2\) for \(x\) in both and see if you get the same number
 one year ago

airrbae Group TitleBest ResponseYou've already chosen the best response.0
is y=15? or y=3? I got a different answer when I pluged 2 into both problems /:
 one year ago

satellite73 Group TitleBest ResponseYou've already chosen the best response.1
should be the same lets check
 one year ago

satellite73 Group TitleBest ResponseYou've already chosen the best response.1
\[y=2x+1\] \[y=2\times 2+1=4+1=3\]
 one year ago

satellite73 Group TitleBest ResponseYou've already chosen the best response.1
\[y=7x17\] \[y=7\times 217=1417=3\]
 one year ago

satellite73 Group TitleBest ResponseYou've already chosen the best response.1
so you should get \(y=3\) for both, i am not exactly sure how you got the 15
 one year ago

airrbae Group TitleBest ResponseYou've already chosen the best response.0
okay now I see what I did wrong there, hmmm! thank you for showing both, I wouldn't have seen it if you hadn't!
 one year ago
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