awesomeeex3
awesomeeex3
02-06-2016
Mathematics
contestada
5x + 2y = 7 10x + 4y = 14
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Аноним
Аноним
02-06-2016
x and y on the left and right both equal 1
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apologiabiology
apologiabiology
02-06-2016
look at them 5x+2y=7
10x+4y=14
divide second euqtion by 2
5x+2y=7
5x+2y=7
they are same
the solution is any oint on the line 5x+2y=7
some points are
(1,1)
(0,3.5)
(1.4,0)
etc
infinitely many
Answer Link
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