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20 February, 11:43

Twenty increased by 5 times the sum of a number and 2 is the same as 6 decreased by 3 times the number

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  1. 20 February, 13:12
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    20 + 5 (x + 2) = 6 - 3x

    Distributive property.

    30 + 5x + 10 = 6 - 3x

    Add 3x to both sides.

    30 + 8x + 10 = 6

    Simplify left side.

    40 + 8x = 6

    Subtract 40 from both sides.

    8x = - 36

    Divide both sides by 8.

    x = - 4.5 (This is your answer.)
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