5x + 2y = -3; x + 5y = 4 – InterviewSolution

1.	5x + 2y = -3; x + 5y = 4
Answer» 5x+2y=-3; x+5y=4; 5(5x+2y=3)=25x+10y=15; 2(x+5y=4)=2x+10y=8; /23x=7;x=7/23; 5x+2y=-3; 5(7/23)+2y=-3; 35/115+2y=-3; 2y=-3+35/115=-345+35/115=-310/115=-62/23; y=-62/23(2)=-31/23

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