[(14)/(x+y)+(1)/(x-y)=5],[(21)/(x+y)-(1)/(x-y)=2]

(14)/(x+y)+(3)/(x-y)=5,(21)/(x+y)-(2)/(x-y)=1

Solve for x and y (5)/(x+y)+(1)/(x-y)=2 (15)/(x+y)-(5)/(x-y)=-2

Solve the following simultaneous equations: 14/(x+y)+3/(x-y)=5,21/(x+y)-2/(x-y)=1

Solve the following simultaneous linear equations in two variables by the method of elimination 14/(x+y)+3/(x-y)=5 21/(x+y)-1/(x-y)=2

solve each of the following pair of equations by reducing them to a pair of linear equations. 14/(x+y)+1/(x-y)=3, 21/(x+y)-2/(x-y)=1

(xy)/(x-y)=(1)/(2);(xy)/(x+y)=(1)/(5) wherex +y!=0;x-y!=0

Find the following products and verify the result for x=-1,y=-2:(3x-5y)(x+y)(2)(x^(2)y-1)(3-2x^(2)y)((1)/(3)x-(y^(2))/(5))((1)/(3)x+(y^(2))/(5))

If x and y are real then the number of ordered pairs (x,y) such that x+y+(x)/(y)=(1)/(2) and (x+y)(x)/(y)=-(1)/(2) is

The factors of x^3-1+y^3+3x y are (a) (x-1+y)(x^2+1+y^2+x+y-x y) (b) (x+y+1)(x^2+y^2+1-x y-x-y) (c) (x-1+y)(x^2-1-y^2+x+y+x y) (d) 3(x+y-1)(x^2+y^2-1)

If the points (x_(1),y_(1)),(x_(2),y_(2)), and (x_(3),y_(3)) are collinear show that (y_(2)-y_(3))/(x_(2)x_(3))+(y_(3)-y_(1))/(x_(3)x_(1))+(y_(1)-y_(2))/(x_(1)x_(2))=0