[" strative Examples,"],[qquad x+[7y-31)=0],[x-2y+13=0]

Solve by cross-multiplication method 6x +7y -11=0, 5x + 2y = 13

Solve for x and y: 2x - 3y-13 =0 , 3x -2y+12 =0

The area of the quadrilateral formed by thelines 4x-7y-13=0, 8x-y-39=0, 4x-7y+39=0, 8x-y+13=0 is

Solve the pair of equations. 7x-5y-11=0, 3x+2y-13=0

A : The area of the parallelogram formed by 4x-7y-13=0, 8x-y-39=0, 4x-7y+39=0, 8x-y+13=0 is 52. R : The area of the parallelogram formed by a_(1)x+b_(1)y+c_(1)=0, a_(1)x+b_(1)y+d_(1)=0, a_(2)x+b_(2)y+c_(2)=0, a_(2)x+b_(2)y+d_(2)=0 is |((c_(1)-d_(1))(c_(2)-d_(2)))/(a_(1)b_(2)-a_(2)b_(1))|

Solve the following equations by cramer's rule : 7x+y+1 = 0 , x+13y+5 = 0 .

The lines x+2y-5=0, 2x-3y+4=0,6x+4y-13=0

Among the given regression lines 6x+y-31=0 and 3x+2y- 26=0 ,the regression line of x on y is…........

Solve, using cross - multiplication : 6x + 7y - 11 = 0 5x + 2y = 13