" (c) "`[3x-y=3],[9x-3y=9]`

" (3) "2x-3y=9;2x+y=13

Solve the following pair of linear equations by the substitution method: 3x-y= 3 9x- 3y= 9

The value of x and y from the equation 3x-y=3 and 9x-3y=9 are

If two sides of a triangle are represented by 2x-3y+4=0 and 3x+2y-3=0 , then its orthocentre lies on the line : (A) x-y+ 8/15 = 0 (B) 3x-2y+1=0 (C) 9x-y+9/13 = 0 (D) 4x+3y+5/13=0

If y-3=0,x-3y+9=0 and 3x-2y+1=0x+y-3=0,x-3y+9=0 and 3x-2y+1=0 are sides of triangle then area of triangle.

8x+5y=9 3x+2y=4

If one of the diagonals of a square is along the line x=2y and one of its vertices is (3, 0), then its sides through this vertex are given by the equations (A) y-3x+9=0, 3y+x-3=0 (B) y+3x+9=0, 3y+x-3=0 (C) y-3x+9=0, 3y-x+3=0 (D) y-3x+9=0, 3y+x+9=0

2x-y-5=0; x+3y-9=0

3x+2y=4 ; & 8x+5y=9