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Mathematics 21 Online
OpenStudy (anonymous):

.

hero (hero):

Finally you post something I can help with

hero (hero):

Hint: Let AC = BD

OpenStudy (anonymous):

soo?

hero (hero):

3x - 7 = 2x + 8

OpenStudy (anonymous):

15 17 19 21

OpenStudy (anonymous):

these are the choices

hero (hero):

Are you telling me you don't know how to solve for x?

OpenStudy (anonymous):

3x-7=2x+8 ........ minus 2x both sides x-7=8 ............... plus 7 both sides x=15

OpenStudy (anonymous):

A?

OpenStudy (anonymous):

thank you! :)

OpenStudy (anonymous):

do you understand it?

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