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31 August, 05:46

There are 19 green marbles in a box. The number of green marbles in the box is 6 more than half the number of red marbles in the box. Write an algebraic equation to represent r, the number of red marbles in the box.

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  1. 31 August, 06:52
    0
    r = 2 (19-6)

    Step-by-step explanation:

    19 is the number of green. 19 also is equal to (r/2 + 6)

    so 19 = r/2 + 6 rearrange for R = 2 (19-6)

    subtract 6 from both sides, then multiply by 2 to cancel the denominator.

    19 - 6 = r/2 13 = r/2

    2 (13) = r

    r = 26
  2. 31 August, 07:11
    0
    Answer Answer R = 2 (G-6)

    :G=19

    G=.5R+6

    19=.5R+6

    -6=.5R-6

    13.=.5R

    Divide by 5

    R = 26
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