[" 1.Solve the following simultaneous eq...

[" 1.Solve the following simultaneous equations."],[" Cramer's "" (1) "(2)/(x)-(3)/(y)=15;(8)/(x)+(5)/(y)=77],[" (2) "(10)/(x+y)+(2)/(x-y)=4;(15)/(x+y)-(5)/(x-y)=-2],[" (3) "(27)/(x-2)+(31)/(y+3)=85;(31)/(x-2)+(27)/(y+3)=89],[" (4) "(1)/(3x+y)+(1)/(3x-y)=(3)/(4);(1)/(2(3x+y))-(1)/(2(3x-y))=-7]

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