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5 January, 23:08

Solve the question 2 (a+8) = 18

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Answers (1)
  1. 6 January, 00:11
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    a=17

    Step-by-step explanation:

    Simplifying

    2 (a + - 8) = 18

    Reorder the terms:

    2 (-8 + a) = 18

    (-8 * 2 + a * 2) = 18

    (-16 + 2a) = 18

    Solving

    -16 + 2a = 18

    Solving for variable 'a'.

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

    Add '16' to each side of the equation.

    -16 + 16 + 2a = 18 + 16

    Combine like terms: - 16 + 16 = 0

    0 + 2a = 18 + 16

    2a = 18 + 16

    Combine like terms: 18 + 16 = 34

    2a = 34

    Divide each side by '2'.

    a = 17
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