Solve the system of equations by adding. Check your answer.
x +y =-7
x - y = 11
The so...
![subject](/tpl/images/cats/mat.png)
Mathematics, 22.04.2021 20:20 blessed4628
Solve the system of equations by adding. Check your answer.
x +y =-7
x - y = 11
The solution of the system is
![ansver](/tpl/images/cats/User.png)
Answers: 2
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