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18 September, 09:19

The sum of three fourths of a number and 1 is 5

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  1. 18 September, 12:09
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    Do you need to solve for "a number"?

    Let's call it x. So (3/4) x + 1 = 5.

    Subtract 1 from both sides because we want to separate that x from everything else.

    (3/4) x = 4.

    Multiply both sides by 4.

    3x = 16.

    Divide both sides by 3. x = 16/3.

    To test it, (16/3) (3/4) + 1

    (48/12) + 1

    4 + 1

    5
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