[3x-5y=4(10)],[9x-2y=7(11)]

3x-5y-4=0 and 9x=2y+7

Solve:- 3x-5y-4=0, 9x=2y+7

Solve the following pair of linear equations by the elimination method and the substitution method: 3x-5y-4=0 and 9x=2y+7

Solve the following pair of linear equations by the elimination method and the substitution method. 3x-5y-4=0 and 9x=2y+7

On comparing the ratios (a_1)/(a_2),(b_1)/(b_2) and (c_1)/(c_2) , find out whether the following pair of linear equations are consistent, or inconsistent. (i) 3x+2y=5; 2x-3y = 7 (ii) 2x-3y=8 ; 4x-y=9 (iii) 3/2x+5/3y=7 ; 9x-10y=14 (iv) 5x-3y=11 ; -10x+6y = -22 (v) 4/3 x +2y=8 ; 2x+3y = 12

The system of equations 4x+y+2z=5, x-5y+3z=10, 9x-3y+7z=20 has

In each of the following systems of equations determine whether the system has a unique solution, no solution or infinitely many solutions. In case there is a unique solution, find it. (1) 2x+3y=7 , 6x+5y=11 (2) 6x+5y=11 , 9x+(15)/2y=21 (3) -3x+4y=5 , 9/2x-6y+(15)/2=0

Find the product: (3x-5y-4)(9x^(2)+25y^(2)+15xy+12x-20y+16)

Solve the following pair of equations by the elimination method and the substitution method. 3x-5y-4=0 and 9x= 2y+7 .