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11-02-2014
Mathematics

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Use elimination to solve this system of equations. X-4y=-11 and 5x-7y=-10

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crisforp crisforp

11-02-2014

x-4y=-11<=> -5x + 20y = 55
5x - 7y = -10
=>0*x + 13*y = 45 => y =45/13 => x = 4*(45/13) -11 = 180/13 -11 =>
x = 37/13;

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