Find the Missing Number

Discussion in 'Algebra' started by nycmathguy, Jul 30, 2022.

  1. nycmathguy

    nycmathguy

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    TWO TIMES A NUMBER IS SUBTRACTED FROM 13. IF THE DIFFERENCE IS 7, FIND THE NUMBER.

    Let me see.

    Let y = the number

    13 - 2y = 7

    -2y = 7 - 13

    -2y = -6

    y = -6/-2

    y = 3

    The number is 3.
     
    nycmathguy, Jul 30, 2022
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  2. nycmathguy

    MathLover1

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    correct
     
    MathLover1, Jul 30, 2022
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    nycmathguy likes this.

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  3. nycmathguy

    nycmathguy

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    Thanks again.

    P. S. Today I will get my deposit. My stuff is already at the new place. Tuesday morning, I start my new life. At my mom's place this weekend. Mira, the nightmare is over!
     
    nycmathguy, Jul 31, 2022
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