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30 September, 15:31

What is the value of x in the equation?

StartFraction 2 Over 3 EndFraction left-parenthesis StartFraction one-half EndFraction. x plus 12 right-parenthesis equals left-parenthesis StartFraction one-half EndFraction left-parenthesis StartFraction one-third EndFraction x plus 14 right-parenthesis minus 3.

StartFraction one-half EndFraction left-parenthesis n minus 4 right-parenthesis minus 3 equals 3 minus left-parenthesis 2 n plus 3 right-parenthesis.

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13

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  1. 30 September, 19:23
    0
    X = 0, n = 4.4

    Explanation:

    2/3 (1/2 x + 12) = (1/2 (1/3 x + 14) - 3

    x/3 + 4 = x/6 + 7 - 3

    x/3 + 4 = x/6 + 4

    x/3 = x/6

    3x = 6x

    6x - 3x = 0

    3x = 0

    x = 0

    2.

    1/2 (n - 4) - 3 = 3 - (2 n + 3)

    n/2 - 8 - 3 = 3 - 2 n - 3

    n/2 - 11 = - 2 n

    n/2 + 2 n = 11

    n + 4 n = 11 * 2

    5 n = 22

    n = 22/5

    n = 4.4
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