Question 245797
0.3x-0.2y=4
0.2x+0.5y=-75/17
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0.6x - 0.4y = 8  eqn 1 x 2
0.6x + 1.5y = -225/17 eqn 2 x 3
--------------------- Subtract
-1.9y = 361/17
y = -190/17
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0.3x + 38/17 = 4
0.3x = 30/17
x = 100/17
--> (100/17,-190/17)