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Math Help - dazed and confused

  1. #1
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    dazed and confused

    Need help with the following:

    38 - 3 x 8 divided by 4 = ?

    z = 5 w = -6

    w +z - 14 + 30 = ?
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  2. #2
    MHF Contributor Quick's Avatar
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    Quote Originally Posted by duckpluckie
    Need help with the following:

    38 - 3 x 8 divided by 4 = ?
    use as many paranthesis as possible. do you mean...

     38-3\times8\div4 or  \frac{38-3\times8}{4}

    Quote Originally Posted by duckpluckie
    z = 5 w = -6

    w +z - 14 + 30 = ?
    substitute the numbers into the equation...

    w+z-14+30\text{  }=\text{  }(-6)+(5)-14+30 =-1-14+30\text{  }=\text{  }-15+30=15
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