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

2x-3y=13; 7x-2y=20

Solve the Simultaneous equations 3x - 3y = 9, 2x + y = 13

Find each of the following products: (i) (x - 4)(x - 4) (ii) (2x - 3y)(2x - 3y) (iii) ((3)/(4) x - (5)/(6) y) ((3)/(4)x - (5)/(6) y) (iv) (x - (3)/(x)) (x - (3)/(x)) (v) ((1)/(3) x^(2) - 9) ((1)/(3) x^(2) - 9) (vi) ((1)/(2) y^(2) - (1)/(3) y) ((1)/(2) y^(2) - (1)/(3) y)

2x+3y=5 6x+9y=10

Solve the following simultaneous equations : 2x - 3y = 9 , 2x + y = 13

1 + 5x + 3y = 9 2x 3y = 12 X = (x, y) - 4

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

If [[xy, 2x-x_ (1) 2x-y, 3x + y_ (1)]] = [[- 1,50,13]]

Solve the following pair of linear equations by the substitution method. (i) x+y=14 ;x- y=4 (ii) s-t=3; s/3+t/2=6 (iii) 3x-y=3;9x-3y=9 (iv) 0. 2 x+0. 3 y=1. 3 ;0. 4 x+0. 5 y=2. 3 (v) sqrt(2)x+sqrt(3)y=0;sqrt(3)x-sqrt(8)y=0 (vi)3x/2-5y/2=-2;x/3+y/2=13/6

Solve:- 2x+3y=9 3x-y=1