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2 June, 03:17

Solve for x: 7 (x - 2) = 5 (x + 4)

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Answers (2)
  1. 2 June, 03:25
    0
    7 (x-2) = 5 (x+4)

    7x-14=5x+20

    7x-5x=20+14

    2x=34

    x=17
  2. 2 June, 03:39
    0
    7 (x - 2) = 5 (x + 4)

    Multiply the first bracket by 7

    (7) (x) = 7x

    (7) (-2) = -14

    Multiply the second bracket by 5

    (5) (x) = 5x

    (5) (4) = 20

    7x-14=5x+20

    Move 5x to the other side. Sign changes from - 5x to + 5x.

    7x-5x-14=5x-5x+20

    7x-5x-14=20

    2x-14=20

    2x-14+14=20+14

    2x=34

    Divide both sides by 2

    2x/2=34/2

    Answer: x=17
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