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OpenStudy (anonymous):
If you were to solve the following system by substitution, what would be the best variable to solve for and from what equation? 3x+6y=9 2x-10y=13 a)x in first equation b)x in second equation c)y in first equation d)y in second equation
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OpenStudy (anonymous):
C
OpenStudy (anonymous):
are you positively sure :P
OpenStudy (anonymous):
do you know how to solve it?
OpenStudy (anonymous):
not really
OpenStudy (anonymous):
Im doing APEX and I need to finish as many quizzes as I can by tonight
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OpenStudy (anonymous):
well take your first equation and solve for y since it will be much more simple to substitute
OpenStudy (anonymous):
then you would have to plug your y answer to you second equation
OpenStudy (anonymous):
mmm oh ok, thank you
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