2x+y= 3
x-2y= -1
if equation two is multiplied by -2, and then the equations are added,...
![Mathematics](/tpl/images/cats/mat.png)
Mathematics, 20.11.2019 17:31, lol6998
2x+y= 3
x-2y= -1
if equation two is multiplied by -2, and then the equations are added, the result is
![answer](/tpl/images/cats/otvet.png)
Answers: 1
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