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8 December, 02:59

68 = 1/5 (20x + 50) + 2

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  1. 8 December, 05:39
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    Simplify 1/5 (20x + 50) to 20x + 50/5

    subtract 2 from both sides

    factor out the common term 10

    simplify 10 (2x + 5) / 5 to 2 (2x + 5)

    simplify 68 - 2 to 66

    divide both sides by 2

    simplify 66/2 to 33

    subtract 5 from both sides

    simplify 33 - 5 to 28

    divide both sides by 2

    simplify 28/2 to 14

    Answer: x = 14
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