Convert the following equations into simultaneous equations and solve: `sqrt((x)/(y))=4,(1)/(x)+(1)/(y)=(1)/(xy)`

Solve the following simultaneous equations: x+3y=7,2x+y=-1

Solve the following simultaneous equations: 4x-y=-5,2x-y=-1

Solve the following simultaneous equations: 2x+3y=12,x-y=1 .

Solve the following simultaneous equations: x-y2=-1, 2x-y=7

Solve the following simultaneous equations: x+y=8,x-y=2 .

Solve the following simultaneous equations: x+y=8,x-y=2

Solve the following simultaneous equations. (148)/(x) + (231)/(y) = (527)/(xy) , (231)/(x) + (148)/(y) = (610)/(xy)

Solve the following simultaneous equation x-2y=-1 , 2x-y =7

Solve the following simultaneous equations: 1/x+1/y=8,4/x-2/y=2

Solve the simultaneous equations : (6x+3y)/(xy) = 6, (2x+4y)/(xy) = 5