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26 September, 09:07

The sum of two numbers is 27. One number is seven less than the other. Find the numbers

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  1. 26 September, 09:33
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    17 and 10

    Step-by-step explanation:

    Write the problem as an equation.

    a+b=27

    a=b-7

    Where a and b are the two numbers you are trying to find. You could use any variables. Then solve.

    b + (b-7) = 27 Sub (b-7) for a

    2b-7=27 Group like terms

    2b=34 Add 7 to both sides

    b=17 Divide both sides by 2.

    Because b=17, a must be 10.
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