Find the equation of a line perpendicular to the line `3x+y+5=0` and at a distance of 3 units from the origin.

Find the equation of a line perpendicular to the line 3x-y-5=0, which is at a distance of 2 sqrt(10) units froms the points (1,-1).

Find the equations of straight lines which are perpendicular to the straight line 4x-3y+7=0 and at a distance of 3 unit from the origin.

Find the equations of straight line which are perpendicular to the straight line 4x-3y+7=0 and at a distance 3 unit from the origin.

Find the equation of the line , which is perpendicular to x - axis and a distance of 3 units from left of the origin is

Find the equation of a line parallel to the line x+2y-1=0, which is at a distance of 2sqrt(5) units from the point (1,3) .

Find the equations of the two straight line parallel to the line 3x+4y=15and at a distance of 7.5 unit from the point (1,-2).

Find the equations of the two straight line parallel to the line 3x+4y=15 and at a distance of 7.5 unit from the point (1,-2).

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).

Find the equation of a straight line perpendicular to the line 2x + 5y + 7 = 0 and with y-intercept – 3 units.