Solving system of equation by substitute
1. -4x + y = 6
-5x - y = 21
...
![Mathematics](/tpl/images/cats/mat.png)
Mathematics, 24.01.2020 03:31, Jasten
Solving system of equation by substitute
1. -4x + y = 6
-5x - y = 21
2. -5x + y = -2
-3x + 6y = -12
![answer](/tpl/images/cats/otvet.png)
Answers: 1
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