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Math

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Given that: 4x-y+9=0 and 3y-2x=7, solve for y

  • Math - ,

    multiply the second equation by 2, then add the equations.

    4x-y+9+6y-4x=14
    5y+9=14 solve for y,

  • Math - ,

    am I doing
    2(5y + 9)=14
    10y + 18 =14
    does y= -2.5

  • Math - ,

    oh i think i got it does y=1

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