SOLUTION: 3=⅔(n+7)

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Question 951440: 3=⅔(n+7)
Answer by checkley77(12844) About Me  (Show Source):
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3=⅔(n+7)
3=2(n+7)/3
2(n+7)=3*3
2n+14=9
2n=9-14
2n=-5
n=-5/2
n=-2.5 ans.
Proof:
3=2/3(-2.5+7)
3=2(4.5)/3
3=9/3
3=3