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Mathematics 10 Online
OpenStudy (anonymous):

Solve the system y = 3x + 2 and 3y = 9x + 6

OpenStudy (anonymous):

Do we need to graph or can we use algebra?

OpenStudy (anonymous):

graph

OpenStudy (anonymous):

this is like the last two and you did the last one on your own. Give it a try and post your answer here. We will check it ...

OpenStudy (anonymous):

I'll graph the first one |dw:1325956974523:dw| Where did the second line fall? Need help?

OpenStudy (anonymous):

yes

OpenStudy (anonymous):

Take the second equation 3y = 9x + 6 Divide every term by 3 y = 3x + 2 What do we have?

OpenStudy (anonymous):

the are the same .. we have many solutions .... All the solutions lie on y = 3x + 2

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