How to solve linear equations by substitution?
5x+2y=9
x+y=-3...
![Mathematics](/tpl/images/cats/mat.png)
Mathematics, 20.09.2019 18:30, crystalrc3414
How to solve linear equations by substitution?
5x+2y=9
x+y=-3
![answer](/tpl/images/cats/otvet.png)
Answers: 2
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