9) Solve by the elimination method.
x + y = -5
x - y = 11...
![Mathematics](/tpl/images/cats/mat.png)
Mathematics, 20.04.2020 08:59, tintinayeir2567
9) Solve by the elimination method.
x + y = -5
x - y = 11
![answer](/tpl/images/cats/otvet.png)
Answers: 3
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