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Posted by on Thursday, October 28, 2010 at 7:40pm.

when you solve a system of equations by the substitution method, how do you determine whether the system of equations is dependent?

  • algebra - , Friday, July 5, 2013 at 2:47pm

    The ordered pair (-1, -1) is a solution of the system

    -4x + 2y = 2

    x + y = -2

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