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Mathematics 16 Online
OpenStudy (anonymous):

Medal and fan for some help? https://cta2.owschools.com/media/g_alg02_2013/5/172.gif

OpenStudy (anonymous):

srry cant help

OpenStudy (gorv):

28+7a=7(4+1)

OpenStudy (anonymous):

Thanks anyway

OpenStudy (gorv):

=7(4+a)

OpenStudy (anonymous):

It's supposed to be a final answer of a fraction

OpenStudy (gorv):

a^2-16=(a+4)(a-4) so a=4 will get cancelled

OpenStudy (gorv):

2 fraction are in multiplication

OpenStudy (gorv):

from those first solve one on right side ..we will multiply them later

OpenStudy (gorv):

so on right we left with\[\frac{ 7 }{ a-4 }\]

OpenStudy (gorv):

now one on left

OpenStudy (anonymous):

okay,

OpenStudy (gorv):

3a^2-13a+4=3a^2-12a-a+4 3a(a-4)-1(a-4)=(a-4)(3a-1)

OpenStudy (anonymous):

so now we have (7)/(a-4) and (a-4)/(3a-1)?

OpenStudy (gorv):

yeah multiply them

OpenStudy (gorv):

\[\frac{ a-4 }{ 3a-1 }*\frac{ 7 }{ a-4}\]

OpenStudy (anonymous):

okay

OpenStudy (gorv):

a-4 will get cancelled

OpenStudy (anonymous):

so it becomes 7 over 3a-1?

OpenStudy (gorv):

yeppp

OpenStudy (anonymous):

THANK YOU SO MUCH!

OpenStudy (gorv):

welcm :)

OpenStudy (anonymous):

Can you help me with my last problem also?

OpenStudy (gorv):

yep post new one

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