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OpenStudy (anonymous):
5x + 10y = 18 x = y - 6 Which of the following equations is the result of substituting y - 6 in for x in the first equation? a)5x + 10y - 6 = 18 b)5y - 6 + 10y = 18 c)5y - 30 + 10y = 18
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OpenStudy (hihi67):
Well, it would be 5(y-6) +10y = 18
OpenStudy (hihi67):
And I guess you have to simplify.
OpenStudy (hihi67):
That would make 5y-30+10y=18
OpenStudy (hihi67):
So c)
OpenStudy (hihi67):
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OpenStudy (anonymous):
yes thank you
OpenStudy (hihi67):
Could I have a medal then, if you don't mind? :)
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