acantr3ll
acantr3ll acantr3ll
  • 11-10-2017
  • Mathematics
contestada

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

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choixongdong
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)
Answer Link
Аноним Аноним
  • 11-10-2017
[tex]3x+y=5;x-y=7[/tex]
Ver imagen Аноним
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