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OpenStudy (anonymous):
If you wanted to eliminate the y variable by adding the two equations in the following system, what could be your first step? x − y = 6 −4x − 4y = 10 A. Add the two equations together. B. Multiply the first equation by –4. C. Multiply the first equation by 4. D. Multiply the second equation by –4. Is it B? I'm not sure?
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OpenStudy (anonymous):
Yes it is B
OpenStudy (nenadmatematika):
multiply the first equation by -4
OpenStudy (anonymous):
Thanks :D
OpenStudy (nenadmatematika):
yw :D
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