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-   -   Inequalties for seventh grade math (https://www.askmehelpdesk.com/showthread.php?t=415439)

  • Nov 12, 2009, 02:43 PM
    Masease
    inequalties for seventh grade math
    8b+4=4(b-7):) thank you a lot!!
  • Nov 12, 2009, 06:46 PM
    caligirlvma

    8b+4=4(b-7) multiply 4(b-7)

    8b+4=4b-28 subtract 4b to both sides

    4b+4=-28 subtract 4 to both sides

    4b=-24 divide 4 to both side

    b=-6 answer is -6
  • Nov 30, 2009, 05:24 PM
    mathwiz3502
    By multiply I believe you mean use the distributive property

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