Below, explain why we are allowed the
"substitute in" x - 3 for y in the top equation.
Why is...
![Mathematics](/tpl/images/cats/mat.png)
Mathematics, 08.01.2021 22:30, khamani623
Below, explain why we are allowed the
"substitute in" x - 3 for y in the top equation.
Why is this useful for finding our first solution?
x + y = 11
y = x - 3
![answer](/tpl/images/cats/otvet.png)
Answers: 2
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