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Mathematics 63 Online
OpenStudy (anonymous):

Select the best possible first step to solving the system by first eliminating the y variable. x – 12y = –2 3x + 4y = 18

OpenStudy (anonymous):

multiply bottom by 3, subtract bottom from top

OpenStudy (anonymous):

They want you to eliminate the y variable. That's easy to do if the coefficients are the same OR if one coefficient is a multiple of the other. Is there something I can multiply the 4y by to make it into 12 y?

OpenStudy (anonymous):

Medal please

OpenStudy (anonymous):

Relax, buddy.

OpenStudy (anonymous):

OpenStudy is about teaching people, not about getting medals.

OpenStudy (anonymous):

Ok thanks you guys for all the help and @smoothmath you would multiply by 3

OpenStudy (anonymous):

Exactly =) So if you multiply the whole equation by 3, then things cancel out nicely when you add 'em up.

OpenStudy (lgbasallote):

^that just proves that the more you refuse medals..the more people will give you some :)

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