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? asked in Education & ReferenceHomework Help · 9 years ago

HELP PLEASE, I'M NOT GOOD WITH MATH WORD PROBLEMS?

If x is the first, or smallest, of three consecutive even integers, express the sum of the first even integer and the third even integer as an algebraic expression containing the variable x.

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  • paulfriedman7
    Lv 7
    9 years ago
    Favorite Answer

    An even integer has the form 2x.

    Three consecutive even integers would be 2x, 2x+2, and 2x+4.

    Adding the first even integer to the third gives you

    2x + (2x+4)

    or

    4x+4 where x is any integer (this is the answer)

    For example, if x=1

    then you have the consecutive even integers 2, 4, and 6

    2 + 6 = 8

    4x + 4 = 4*1 + 4 = 8

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