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Mathematics 8 Online
OpenStudy (anonymous):

Solve for . u+2/3=8

jimthompson5910 (jim_thompson5910):

is the equation \[\Large u + \frac{2}{3} = 8\] or is it \[\Large \frac{u+2}{3} = 8\]

OpenStudy (anonymous):

1st one

jimthompson5910 (jim_thompson5910):

were you able to get started?

OpenStudy (anonymous):

yes but got the answer wrong

jimthompson5910 (jim_thompson5910):

what did you get?

OpenStudy (anonymous):

8 1/3

OpenStudy (anonymous):

|dw:1399608538465:dw|

jimthompson5910 (jim_thompson5910):

you are subtracting 2/3 from both sides

jimthompson5910 (jim_thompson5910):

to isolate 'u'

OpenStudy (anonymous):

yes

jimthompson5910 (jim_thompson5910):

think of 8 as 8/1 then multiply top and bottom by 3 to get 24/3

OpenStudy (anonymous):

k

jimthompson5910 (jim_thompson5910):

\[\Large u + \frac{2}{3} = 8\] \[\Large u = 8 - \frac{2}{3}\] \[\Large u = \frac{8}{1} - \frac{2}{3}\] \[\Large u = \frac{24}{3} - \frac{2}{3}\] \[\Large u = ??\]

OpenStudy (anonymous):

7 1/3

jimthompson5910 (jim_thompson5910):

correct

OpenStudy (anonymous):

thank ypu so much

jimthompson5910 (jim_thompson5910):

np

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