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Posted by on Friday, July 22, 2011 at 8:59pm.

solve by substitution 2x+6y=30 -9x+y=61

  • algebra - , Friday, July 22, 2011 at 9:03pm

    in the second, y= 61+9x

    put that in for y in the first equation, solve for x.

    I will be happy to critique your work.

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