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Math

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Ok we are doing distributive property in math and I'm so confused on some of the problems. the problems are:

9+(x-4)
5-4x-5/-4
4(3x-2y)-3(4x-3y)
7(r+s)-(r-s)
3y-2(x-2y)

Thank you so much for your help.

Ellie

  • Math - ,

    Multiply each term in parentheses by the coefficient in front of it, and then combine constants and "x" and "y" terms separately

    For example,
    9 + x - 4 = x + 5
    (You don't even have to do a distributive multiplication on that one)

    3y -2(x-2y) = 3y - 2x + 4y = 7y - 2x

    You try the others.

    Your second expression needs parentheses to show us what the mumerator is.

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