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Mathematics 14 Online
OpenStudy (anonymous):

8irt

jigglypuff314 (jigglypuff314):

to get the y's to cancel out -10y + 10y = 0 so what would you have to multiply by in order to get the 5y in the first equation to become -10y ?

OpenStudy (anonymous):

-2

jigglypuff314 (jigglypuff314):

yep :) so you would multiply the first equation by -2

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