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If 6x - 3y= 30 and 4x= 2-y then find x+y.

  • math -

    4x= 2-y

    x = (2-y)/4

    6x - 3y = 30

    Substitute (2-y)/4 for x in the last equation and solve for y. Put value into first equation to find x. Check by putting both values into the last equation. Add x and y.

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