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Math Help - Please help me i suck at math!

  1. #1
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    Please help me i suck at math!

    find the measure of each interior angle using given info.


    1.2(2x-15)+2(x)=180


    2.2x+20+3x-10+2x-10+2x=180


    3.2x+16+x+14+2x+16+x+14=180


    4.7x+4x+7x+4x+7x+7x
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  2. #2
    Member Goku's Avatar
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    Re: Please help me i suck at math!

    Add like terms:

    for No. 1.

    2(2x-15)+2(x)=180

    2(2x - 15) = (4x - 30)

    2(x) = 2x

    Now add Both:

    4x - 30 + 2x = (4x + 2x) - 30 --- Here you are grouping like terms.
    = 6x - 30

    Now:

    6x - 30 =180
    6x = 210
    x= 210/6
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