[" 4) For simultaneous equations in variable "x" and "y,D_(x)=49,D_(y)=-63,D=7," then "],[x=],[[" (A) "7," (B) "-7," (C) "(1)/(7)," (D) "(-1)/(7)]]

For simultaneous equations in variables x and y, D_x = 49, D_y = - 63, D = 7 then what is x ?

For simultaneous equations in variables x and y, D_x=49,D_y=-63 , D=7 then what is x? a) 7 b) -7 c) 1/7 d) -1/7

For certain simultaneous equations in variables x and y , if D_x =25, D_y=40, D=5 find the value of x .

For certain simultaneous equations in variables x and y, if D_y =6, D=-3, find the value of y .

For simultaneous equations in x and y , if D_(x) = 49 D_(y) = - 63 and D = 7 , then what is the value of x ?

For certain simultaneous equations in variables x and y , if D_x =12, D=4 , find the value of x .

For simultaneous equations in variables x and y, if D_x = -14, D_y =7 and D = -35, then find the values of x and y.

For simultaneous equations in variables x and y, if D_x = -14, D_y =7 and D = -35, then find the values of x and y.

For simultaneous equations in x and y , if D_(x)=25 , D_(y)=50 and D=5 , then what is the value of x ?

Choose the correct alternative for each of the following questions: For simultaneously equations in variables x and y, if D_x=49,D_y= -63 and D=7, then what is the value of X ?