Solve a system using substitution or elimination method
4x + y = 19
y = x+9...
![subject](/tpl/images/cats/mat.png)
Mathematics, 06.01.2021 17:20 kira3039
Solve a system using substitution or elimination method
4x + y = 19
y = x+9
![ansver](/tpl/images/cats/User.png)
Answers: 2
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