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21 February, 15:45

4 (2 - x) + 15 = 3 (x + 3)

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Answers (2)
  1. 21 February, 15:47
    0
    4 (2-x) + 15 = 3 (x + 3)
  2. 21 February, 16:07
    0
    x=2

    Step-by-step explanation:Simplifying

    4 (2 + - 1x) + 15 = 3 (x + 3)

    (2 * 4 + - 1x * 4) + 15 = 3 (x + 3)

    (8 + - 4x) + 15 = 3 (x + 3)

    Reorder the terms:

    8 + 15 + - 4x = 3 (x + 3)

    Combine like terms: 8 + 15 = 23

    23 + - 4x = 3 (x + 3)

    Reorder the terms:

    23 + - 4x = 3 (3 + x)

    23 + - 4x = (3 * 3 + x * 3)

    23 + - 4x = (9 + 3x)

    Solving

    23 + - 4x = 9 + 3x

    Solving for variable 'x'.

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

    Add '-3x' to each side of the equation.

    23 + - 4x + - 3x = 9 + 3x + - 3x

    Combine like terms: - 4x + - 3x = - 7x

    23 + - 7x = 9 + 3x + - 3x

    Combine like terms: 3x + - 3x = 0

    23 + - 7x = 9 + 0

    23 + - 7x = 9

    Add '-23' to each side of the equation.

    23 + - 23 + - 7x = 9 + - 23

    Combine like terms: 23 + - 23 = 0

    0 + - 7x = 9 + - 23

    -7x = 9 + - 23

    Combine like terms: 9 + - 23 = - 14

    -7x = - 14

    Divide each side by '-7'.

    x = 2
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