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Mathematics 21 Online
OpenStudy (anonymous):

How many solutions does this system of equations have? 3x – 4y = 12 y = 4x – 3 A. 0 B. 1 C. 2 D. infinite

OpenStudy (nikato):

What do you think?

OpenStudy (anonymous):

c?

OpenStudy (nikato):

No. Can you change the first equation into slope intercept form? y=mx+b

OpenStudy (anonymous):

so b?

OpenStudy (nikato):

Yes. You do get it though, right? I hope your not guessing, haha

OpenStudy (nikato):

If you changesd, it'll be y=3/4x -3 Since they aren't equaions of the same line or parallel lines, then you can elimation A and D. C makes no sense because how can you have two lines that intercept at 2 different points

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