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How do you find a number such that two-thirds of the number increased by one is nine?

1 Answer

Oct 16, 2015

I found $12$ $12$

Explanation:

Call the number $x$ $x$ , so:
$\frac{2}{3} x + 1 = 9$ $2/3x+1=9$
$2 x + 3 = 27$ $2x+3=27$
$2 x = 24$ $2x=24$
$x = \frac{24}{2} = 12$ $x=24/2=12$

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