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Posted by on Monday, April 20, 2009 at 11:07pm.

solve rartional expression

[x/5x+10] + [x-3/x+2]= [7/5] is the answer -8

  • math - , Monday, April 20, 2009 at 11:27pm

    no, subbing it in would show you that it does not work.

    hint:
    x/[5(x+2)] + (x-3)/(x+2) = 7/5

    isn't the lowest common denominator 5(x+2) ?
    multiply each term by that

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