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Mathematics 8 Online
OpenStudy (anonymous):

13x ______ 8x+7 divided by 5x-7 ______ 8x+7 I got.. 8x-7 _____ 14

jimthompson5910 (jim_thompson5910):

13x ______ 8x+7 divided by 5x-7 ______ 8x+7 turns into 13x ______ 8x+7 times 8x+7 ______ 5x-7

jimthompson5910 (jim_thompson5910):

multiply straight across to get (13x)(8x+7) ------------ (8x+7)(5x-7)

OpenStudy (anonymous):

ugh! :(

jimthompson5910 (jim_thompson5910):

don't worry, just keep at it and you'll get it eventually

jimthompson5910 (jim_thompson5910):

the 8x+7 terms will cancel leaving you with 13x --------- 5x - 7

OpenStudy (anonymous):

i came up with 5x-7 ________ 13 x

OpenStudy (anonymous):

i am upside down LOL

jimthompson5910 (jim_thompson5910):

lol not sure how that happened

OpenStudy (anonymous):

13x . 5x-7 ______ ---- -------- 8x+7 . 8x+7 You flip the fraction on the right 13x 8x+7 ______ X -------- 8x+7 5x-7 Then the 8x+7 cancels out on both sides 13x ------ 5x-7

OpenStudy (anonymous):

Does this help @teenandtoddlermom ?

OpenStudy (anonymous):

yes, thank you Hawk. :)

OpenStudy (anonymous):

do u have any more practice questions that u can practice with?

OpenStudy (anonymous):

yes, I have 4 more. that i am working on, and will be posting any that I feel that I need reassurance with. :)

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