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Posted by on Tuesday, May 31, 2011 at 5:48pm.

how do you solve a linear system.

7. x-y=8
x+y=-2

  • Math - , Tuesday, May 31, 2011 at 6:40pm

    One way is to add the two equations.

    2x = 6

    x = 3

    Insert that value into one of the equations.

    y = -5

    Check by inserting both values into the other equation.

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