PL HELP M
marina said that -x - 8 + 5y +9x can be simplified to 13y - 8
what was her error...
![Mathematics](/tpl/images/cats/mat.png)
Mathematics, 04.02.2021 01:50, winterblackburn78
PL HELP M
marina said that -x - 8 + 5y +9x can be simplified to 13y - 8
what was her error
![answer](/tpl/images/cats/otvet.png)
Answers: 2
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