HELP!!
Solve the system using addition.
7 x plus 2 y
equals
negative 1...
![Mathematics](/tpl/images/cats/mat.png)
Mathematics, 31.03.2020 19:52, haleyzoey7
HELP!!
Solve the system using addition.
7 x plus 2 y
equals
negative 13
negative 7 x plus y
equals
25
![answer](/tpl/images/cats/otvet.png)
Answers: 1
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