Solve ` 4x - 7y + 28 = 0 , 5y - 7 x + 9 = 0 `

Solve the following by using cross multiplication method 4x - 7y + 28 = 0 , 5y - 7 x + 9 = 0

5x - 4y + 8 = 0 7x + 6y - 9= 0

Solve, using cross - multiplication : 4x - 7y + 28 = 0 and -7x + 5y + 9 = 0 .

The orthocentre of the triangle formed by the lines x - 7y + 6 = 0, 2x - 5y - 6 = 0 and 7x + y - 8 = 0 is

Solve the system: x + y - 2z = 0, 2x - 3y + z = 0, 3x - 7y + 10z = 0, 6x - 9y + 10z = 0.

Solve 9x-7 le 28 +4x, x in W .

Two consecutive sides of a parallelogram are 4x+5y=0a d n7x+2y=0. If the equation of one diagonal is 11 x+7y=9, Equation of other diagonal : (A) 11x + 7y =0 (B) 3x - 5y + 5 = 0 (C) 7x + 11y = 0 (D) 3x + 5y + 5 =0

Two consecutive sides of a parallelogram are 4x+5y=0 and 7x+2y=0. If the equation of one diagonal is 11 x+7y=9, Equation of other diagonal : (A) 11x + 7y =0 (B) 3x - 5y + 5 = 0 (C) 7x + 11y = 0 (D) x-y =0

Solve the equations 4x - 5y + 33 =0 and 20x - 9y - 107 -0 . Calculate x and y .

Solve, using cross - multiplication : 4x - 3y - 11 = 0 6x + 7y - 5 = 0