x+y=6;x-y=4

Find the value of x , y 2x+3y=6 3x-2y=4 .

Find the equation of the circumcircle of the triangle formed by the straight lines x+y=6,2x+y=4 and x+2y=5

Find the equation of the circle circumscribing the triangle formed by the straight lines x+y=6,2x+y=4 and x+2y=5

Find the equation of the circumcircle of the triangle formed by the straight lines x+y=6,2x+y=4 and x+2y=5

Draw straight lines corresponding to following equations (a) y= 2x (b) y = - 6x (c) y=4x +2 (d) y = 6x -4

What is the slope of following straight lines corresponding to equations (a) y= 2x (b) y = - 6x (c) y=4x +2 (d) y = 6x -4

Solve the following system of equations by matrix method: x+y+z=6,x-y-z=-4 and x+2y-2z=-1 .

The angle between the lines 2x = 3y = -z and 6x = -y = -4x is .........