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Mathematics 15 Online
OpenStudy (anonymous):

7x/8 =21 A) 24 B) 18.375 C) 1.857 D) 19 Thanks for help can you kind of teach me how I should do it I just forgot D: Thanks BTW!

OpenStudy (anonymous):

Divide by 7 on both sides and multiply by 8 o n both 7x = 21 * 8 x = 24

OpenStudy (anonymous):

oh I knew I had to divide something just didn't know what to do with the 8 :3

OpenStudy (anonymous):

Thank you I'll use this as a guide for all my other questions :D @Yahoo!

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