Question

   Use a matrix method to find the equilibrium prices and quantities where the supply and demand functions for Good 1, Good 2, and Good 3 are as 

Qd1=50-2P1=5P2-3P3'        Qs1=8P1-5

Qd2=22+7P1-2P2+5P3'    Qs2 =12P-5

Qd3 = 17+P1+5P2-3P3'     Qs3= 4P3-1

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