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22 January, 00:41

Simplify the expression 4x + 9y + 3 (x+y)

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Answers (2)
  1. 22 January, 02:01
    0
    Step-by-step explanation:

    4x+9y+3x+3y

    =7x+12y
  2. 22 January, 03:51
    0
    Simplifying the expression 4x + 9y + 3 (x+y) will give us 7x + 12y

    Step-by-step explanation:

    To simplify this expression;

    4x + 9y + 3 (x+y)

    First, we will start by opening the bracket, so the expression becomes;

    4x + 9y + 3x + 3y

    Then we will re-arrange the expression

    4x + 3x + 9y + 3y

    We will add the the numbers with x - coefficient together and also we will add the number with y-coefficient together. that is; add 4x and 3x together to give us 7x, also add 9y and 3y together to give us 12y

    4x + 3x + 9y + 3y

    7x + 12y

    we can no longer simplify anymore, so our answer is 7x + 12y
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