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13 May, 06:46

Solve - 2 (n+3) - 4=8. The solution is n=.

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  1. 13 May, 10:16
    0
    n = - 9

    Step-by-step explanation:

    Simplifying

    -2 (n + 3) + - 4 = 8

    Reorder the terms:

    -2 (3 + n) + - 4 = 8

    (3 * - 2 + n * - 2) + - 4 = 8

    (-6 + - 2n) + - 4 = 8

    Reorder the terms:

    -6 + - 4 + - 2n = 8

    Combine like terms: - 6 + - 4 = - 10

    -10 + - 2n = 8

    Solving

    -10 + - 2n = 8

    Solving for variable 'n'.

    Move all terms containing n to the left, all other terms to the right.

    Add '10' to each side of the equation.

    -10 + 10 + - 2n = 8 + 10

    Combine like terms: - 10 + 10 = 0

    0 + - 2n = 8 + 10

    -2n = 8 + 10

    Combine like terms: 8 + 10 = 18

    -2n = 18

    Divide each side by '-2'.

    n = - 9

    Simplifying

    n = - 9
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