Question:

I need help checking my algebra. ?

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Would the answer to number three and four be 27 and 15??? on this page link?

http://schools.connectionsacademy.com/content/media/102877-6142006-40716-PM-2015726540.pdf

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  1. 3. [-5+8]-9

    27

    4. -3[6+(-11)]

    15

    You are right.


  2. 3. I-5+8I -9

    -5+8 =3

    3-9=-6

    I believe it is a subtraction symbol not multiplying by a negative

    and if it was then your answer would have to be -27

    #4 would be negative 15, you are only taking the absolute value of what is inside the brackets

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