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OpenStudy (anonymous):
3(x-4)=15?
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OpenStudy (anonymous):
what do you think it is?
OpenStudy (clalgee):
Alright, so the first step is to do something to both sides.
OpenStudy (anonymous):
what times 3 equals 15 @nip2001
OpenStudy (anonymous):
5
OpenStudy (anonymous):
we know that 3*5=15 so x- 4 must equal 5 . and 5=+4 =9 so x=9. do you understand it know?
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