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Math Help - solving equations (Algebra)

  1. #1
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    solving equations (Algebra)

    first question
    7(2x-3)+3=24

    second question

    5+3x=7(x+3)

    third question

    3(8-6n)=41
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  2. #2
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    Just multiply out & solve for x or n.
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  3. #3
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    thnx but didnt really help
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  4. #4
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    Quote Originally Posted by shazam View Post
    7(2x-3)+3=24
    7(2x - 3) + 3 = 24

    7(2x - 3) + 3 - 3 = 24 - 3

    7(2x - 3) = 21

    \frac{1}{7} \cdot 7(2x - 3) = \frac{1}{7} \cdot 21

    2x - 3 = 3

    2x - 3 + 3 = 3 + 3

    2x = 6

    \frac{1}{2} \cdot 2x = \frac{1}{2} \cdot 6

    x = 3

    Try the other ones. They are very similar in principle.

    -Dan
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