![Mathematics](/tpl/images/cats/mat.png)
Mathematics, 04.04.2021 01:00, sindy35111
Are the numbers in front of either the x or y variables
opposites? If yes, add the columns together.
3x-2y=10
+ 7x+2y = 30
———————
Lol please help.
![answer](/tpl/images/cats/otvet.png)
Answers: 1
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Are the numbers in front of either the x or y variables
opposites? If yes, add the columns together...
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