[x+8y=19],[2x+11y=28]

3x+y=1,2x=11y+3

Solve by the method of substitution: 2x+3y=31, 17x-11y=8

Solve the following pair of linear equations by substitution method : 2x+y=17 , 17x-11y=8 .

[[x-y, 8], [ x+y, 9]] =[[2,8],[4,9]] , then (x, y)

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

Solve the simultaneous equations: x+11y = 1, 8x + 13y = 2

Solve the simultaneous equations: x+11y = 1, 8x + 13y = 2