algebra

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i think the answer is -1
is that correct?

  • algebra -

    if you add 2t + 1 =3 so 3-1=2 so 2 times what equals 2. not -1 because that would equal negative 2. its 1 because 2 times 1 is 2 plus 1 is three.

  • algebra -

    It's not -1.

    2t + 1 = 3
    Subtract 1 from each side of the equation:
    2t = 2

    Divide both sides of the equation by 2.
    t = 1

    Here's your original post with the answers.
    2t+1=3
    it one of the following, but which one?
    A) 1
    B) -1
    C) 2
    D) -2

    please help Me!!!!!


    For Further Reading


    algebra - Ms. Sue, Tuesday, October 16, 2007 at 7:56pm
    Please tell us which answer you think is correct and we'll check it for you.

    Hint: 2t means 2 times an unknown number.


    algebra - bobpursley, Tuesday, October 16, 2007 at 7:58pm
    subtract one from each side, then divide each side by 2.

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