If (4, 19) is a solution of the equation `y=a x+3,\ ` then `a=` (a) 3 (b) 4 (c) 5 (d) 6

If the (4,19) is a solution of the equations y=ax+3 then a=

If (4,19) is a solution of the equation y=ax+3, then a=3(b)4(c)5(d)6

If 2x+3y=5 and 3x+2y=10 then x-y= (a) 3 (b) 4 (c) 5 (d) 6

The solution of the equation 3/4 (x-1)=x-3 is: (a) x=8 (b) x=9 (c) x=7 (d) x=6

Which of the following is not a solution of the equation 3x -4y = 8? (A) (4,1) (B) (8,4) (C ) (1,4) (D) (0, -2)

If x=a,y=b is the solution of the equations x-y=2 and x+y=4 then the values of a and b are respectively, a)3 and 1 b)-1 and -3 c)6 and 4 d)5 and 3

The number of solutions of the system of equations: 2x+y-z=7,\ \ x-3y+2z=1,\ \ x+4y-3z=5 is (a) 3 (b) 2 (c) 1 (d) 0

Find the value of k ,if x=-1,y=2 is a solution of the equation 2x+3y=k . a. 5 b. 6 c. 4 d. 8

If x =a , y = b is the solution of the pair of equation x - y = 2 and x + y = 4 then the value of 3a + 4b is …….. .