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algebra 1b

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i need to know how to solve certain problems like this
i need examples of this and shown to me step by step

  • algebra 1b -

    [step 1] -2y -2y

    [step 2]   -4x -4x

    [step 3] divide both sides by -2

         y=2x+5 «answer!!

  • algebra 1b -

    With first equation get x alone on one side.

    x = .5y - 2.5

    Substitute that value for x in the second equation and solve for y. Put that y value into the first equation to find value of x. To check, put both values into the second equation.

    I hope this helps a little more. Thanks for asking.

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