`[3x-5y=4]`,
`[9x-2y=7]`

Solve the following pair of linear equatio: 3x-5y-4=0 9x=2y+7

Solve the following system of linear equations by Cramers rule: x-2y=4,\ \ -3x+5y=-7

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

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

If 17x -5y=8 and 14 x -7y =-7, what is the value of 3x + 2y ?

Projection of line (x+1)/2+(y+1)/(-1)=(z+3)/4 on the plane x+2y+z=6; has equation x+2y+z-6=0=9x-2y-5z-8 b. x+2y+z+6=0,9x-2y+5z=4 c. (x-1)/4=(y-3)/(-7)=(z+1)/(10) d. (x+3)/4=(y-2)/7=(z-7)/(-10)

If 3x+5y=15 and x-2y=10 , what is the value of 2x+7y ?

The minimum value of p for which the lines 3x-4y=2, 3x-4y=12, 12x+5y=7 and 12x+5y=p constitute the sides of a rhombus is

Simplify: [5-3x+2y-(2x-y)]-(3x-7y+9)

Write all the terms of each of the following algebraic expressions: (i) 3x^5+5y^4-7x^2y+7 (ii) 9y^3-2z^3+7x^3y-3x y z