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March 29, 2017

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Solve for y. Write answer in simpliest form.

2+7/y=3/5

  • beginning algebra - ,

    2 + 7/y = 3/5
    7/y = 3/5 - 2
    y/7 = 1/(3/5 - 2)

  • beginning algebra - ,

    2 + 7/y = 3/5
    Get rid of the denominators
    Multiply both sides by y
    2y + 7 = 3/5 y
    Multiply both sides by 5
    10y + 35 = 3y
    Subtract 10y from both sides
    35 = -7y
    Divide both sides by -7
    -5 = y

    y = -5

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