Resolva através do método de adição
2x+y=13
x+3y=19
alguém me ajudaaa pleaseee...
![Mathematics](/tpl/images/cats/mat.png)
Mathematics, 18.02.2021 17:50, davidoj13
Resolva através do método de adição
2x+y=13
x+3y=19
alguém me ajudaaa pleaseee
![answer](/tpl/images/cats/otvet.png)
Answers: 3
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