Find the equation of the straight line which parallel with 3x+2y-6=0 and forms a triangle of area 21 square units with the straight lines x-2y=0 and y-2x=0.

Find the equation of the straight line parallel to the line 3x+4y=7 and passing through the point of intersection of the lines x-2y-3=0 and x+3y-6=0

Find the equations of straight lines which are perpendicular to the line 3x+4y-6=0 and are at a distance of 4 units from (2,1).

The straight lines x+y=0, 3x+y=4 and x+3y=4 form a triangle which is

Find the equation of the straight line parallel to the line 3x + 4y = 7 and passing through the point of intersection of the lines x - 2y - 3 = 0 , x + 3y - 6 = 0

Find the equation of the straight line through the intersection of 5x-6y=1 and 3x+2y+5=0 and perpendicular to the straight line 3x-5y+11=0

Find the equation of the straight line parallel to 3x+4y=7 and passing through the point of intersection of the lines x-2y-3=0 and x+3y-6=0 .

Find the equation of a straight line, which passes through the point (1,2) and which is parallel to the straight line 2x+3y+6=0

Find the equation of two straight lines which are parallel to the straight line x+7y+2=0 , and at a unit distance from the point (2, -1).