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joemath314159
 3 years ago
Best ResponseYou've already chosen the best response.4add the two equations and divide by 6.

dinainjune
 3 years ago
Best ResponseYou've already chosen the best response.04x5y=4.....(1) 2xy=8......(2) (2)x2 4x2y=16...(2') (2')(1) 3y=12 y=4 sub ke (2) 2x4=8 2x=12 x=6 x=6,y=4

joemath314159
 3 years ago
Best ResponseYou've already chosen the best response.44x  5y = 4 +2x  y = 8  6x  6y = 12 Dividing by 6 gives: \[\frac{6x6y}{6} = \frac{12}{6} \iff x  y = 2\]
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