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algebra

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5y(y+7)=7(y+7)

  • algebra - ,

    If you divide both sides by y+7, you get:

    5y = 7

    Then divide both sides by 5.

  • algebra - ,

    by distributive property:
    5y^2+35=7y+49 (addition prop...)
    5y^2-7y=49-35
    -2y^2=14 (mult. Prop)
    y=-2 (answer)

  • algebra - ,

    Sorry i 4got 2 multiply y to seven... the correct anser is 7/5...

  • algebra - ,

    also y = -7 is a solution

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