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 2 years ago
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
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)

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pfenn1
 2 years ago
Best 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.

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

pfenn1
 2 years ago
Best ResponseYou've already chosen the best response.1I 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.

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

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