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OpenStudy (anonymous):
Write as a single fraction 8x-y/4x + -9x-4y/5x +1
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OpenStudy (anonymous):
my final answer was.. 3(8x-7y)
OpenStudy (anonymous):
but that's not a single fraction?
OpenStudy (anonymous):
im at this point 4x-21y/20x +1
OpenStudy (anonymous):
oh and the plus one is separate
OpenStudy (anonymous):
(-20x^2-21y-20x)/20x
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OpenStudy (anonymous):
I think you multiplied something..? shouldnt it be a subtraction?
OpenStudy (anonymous):
OH!
OpenStudy (anonymous):
oh my goodness I forgot the x^2
OpenStudy (anonymous):
but I'm still not sure where you got the.. -20 from
OpenStudy (anonymous):
because the LCDis 20x so I multiply up and down with 20x/20x
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OpenStudy (anonymous):
yes, so woulnt the 20x cancle out?
OpenStudy (anonymous):
on the denominator
OpenStudy (anonymous):
no you can not
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