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teddygirl
Group Title
What is the solution of the system? Use substitution. 2x  y = 7 and 4x y = 4
(–1.5, 4)
(1.5, 10)
(4, –1.5)
(–1.5, –2)
2. What is the solution of the system? Use elimination 5x +7y = 32 and 8x +6y = 46
(8, 5)
(1, 5)
(7, 0)
(5, 1)
 2 years ago
 2 years ago
teddygirl Group Title
What is the solution of the system? Use substitution. 2x  y = 7 and 4x y = 4 (–1.5, 4) (1.5, 10) (4, –1.5) (–1.5, –2) 2. What is the solution of the system? Use elimination 5x +7y = 32 and 8x +6y = 46 (8, 5) (1, 5) (7, 0) (5, 1)
 2 years ago
 2 years ago

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pfenn1 Group TitleBest ResponseYou've already chosen the best response.1
\[2x  y = 7 \]\[ 4x y = 4\]Rearrange the first equation to solve for y, then substitute into the second sentence for y. Then solve for x.
 2 years ago

teddygirl Group TitleBest ResponseYou've already chosen the best response.0
I got (1.5, 10) and (8,5) but i dont think they are right
 2 years ago

pfenn1 Group TitleBest ResponseYou've already chosen the best response.1
I haven't calculated the second problem yet but my answer for the first problem is the same as yours. Sounds like you are doing it correctly.
 2 years ago

pfenn1 Group TitleBest ResponseYou've already chosen the best response.1
Hmm. I got another answer to the second question.
 2 years ago

teddygirl Group TitleBest ResponseYou've already chosen the best response.0
I did too, I got 5,1
 2 years ago

pfenn1 Group TitleBest ResponseYou've already chosen the best response.1
Yeah, that's what I got.
 2 years ago
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