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Math Help - Formula Question.

  1. #1
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    Formula Question.

    I am supposed to be simplifying these questions. x.x Sadly enough I don't know where to start, I was hoping someone could point me in the right direction?

    2/3 (12t - 18) + 2t - 30

    40 ( 3/8 * Y - 1/4) + 40 (4/5)

    I know this is duplicated. D: Sorry, but I can't delete it.
    Last edited by Uriah5356; March 11th 2009 at 08:07 PM. Reason: Sorry! D:
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  2. #2
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    Quote Originally Posted by Uriah5356 View Post
    I am supposed to be simplifying these questions. x.x Sadly enough I don't know where to start, I was hoping someone could point me in the right direction?

    2/3 (12t - 18) + 2t - 30

    40 ( 3/8 * Y - 1/4) + 40 (4/5)

    I know this is duplicated. D: Sorry, but I can't delete it.
    Use the property:

    a(b+c) = ab + ac
    <br />
in other words \frac{2}{3} (12t-18) = \frac{2}{3}\cdot 12t - \frac{2}{3}\cdot18

    once you've done combine the terms with those outside the brackets
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