`2x+y=5`
`3x+2y=8`

Solve, using cross - multiplication : 8x + 5y = 9 3x + 2y = 4

Use method of cross-multiplications to solve: 2x + y = 8 and 3x- 2y = 5

Find the value of 27 x^3+\ 8y^3, if (i) 3x+2y=14 and x y=8 (ii) 3x+2y=20\ and x y=(14)/9

find x and y : 2x+y-5=0 3x+2y-8=0

For hyperbola whose center is at (1, 2) and the asymptotes are parallel to lines 2x+3y=0 and x+2y=1 , the equation of the hyperbola passing through (2, 4) is (a) (2x+3y-5)(x+2y-8)=40 (b) (2x+3y-8)(x+2y-8)=40 (c) (2x+3y-8)(x+2y-5)=30 (d) none of these

For hyperbola whose center is at (1, 2) and the asymptotes are parallel to lines 2x+3y=0 and x+2y=1 , the equation of the hyperbola passing through (2, 4) is (2x+3y-5)(x+2y-8)=40 (2x+3y-8)(x+2y-8)=40 (2x+3y-8)(x+2y-5)=30 none of these

x+2y=3 2x-y=8.5 If (x, y) is a solution to the above system of equtions, what is the value of x-y ?

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

Determine, algebraically, the vertices of the triangle formed by the lines 3x-y=3 2x-3y=2 and " " x+2y=8