acantr3ll acantr3ll

11-10-2017
Mathematics

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solve the system by graphing or using a table 3x+y=5 x-y=7

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choixongdong choixongdong

11-10-2017

3x+y=5
x -y=7
------------add
4x = 12
x = 3

x-y=7
3 - y = 7
y = 3 -7
y = -4

answer
(3, -4)

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Аноним Аноним

11-10-2017

[tex]3x+y=5;x-y=7[/tex]

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