3x+y=19,4x-3y=8

Check whether the following equations are consistent or inconsistent. 2x+3y = 19 4x-3y = 11

Solve the following system of equations by matrix method : 5x+7y+2=0 4x+6y+3=0 5x+2y=3 3x+2y=5 3x+4y-5=0 x-y+3=0 3x+y=19 3x-y=23 3x+7y=4 x+2y=-1 3x+y=7 5x+3y=12

6x-4y=-12,8x-3y=-2

3x+2y=8 2x-3y=8

The three lines 4x+4y=1, 8x-3y=2, y=0 are

If 5x+y=19 and x-3y=7 , then x+y=

For what value of k system of equations 3x + 4y = 19, y - x = 3 and 2x + 3y = k has a solution ?

Classify the following pairs of lines as coincident, parallel, perpendicular or intersecting : (i) 6x+14y-16=0 , 12x+28y-32=0 (ii) 3x-4y=8 , 3x+4y=11 (iii) 5x-2y=7 , 2y-5x=-7 (iv) 4x+7y=19 , 7x-4y=-2 (v) x-2y=7 , 4y-2x=13

The equation of the normal to the curve 3x^2-y^2=8 which is parallel to x+3y=8 is x-3y=8 (b) x-3y+8=0 (c) x+3y+-8=0 (d) x+3y=0

Solve the following pairs of linear equations by substitution method: 3x+4y=0, x-5y=19