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Mathematics 59 Online
OpenStudy (anonymous):

imagine that you are asked to use the elimination method to solve the system of linear equations below. if you wanted to eliminate the x-variable, what should your next step be? 9x-y=12 x+2y=8 A. Multiply the bottom equation by 9 B. Multiply the bottom equation by -9 C. Multiply the top equation by -9 D. C. Multiply the top equation by 9

OpenStudy (k3du53):

What would you multiply x by to equal 9x?

OpenStudy (wcrmelissa2001):

basically you want to get rid of x right? So to do this, what would you do

OpenStudy (wcrmelissa2001):

@k3du53 technically it could be C or D??

OpenStudy (wcrmelissa2001):

A or B**

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