Question

0 76 Round 1 : 1036 Q10 of 30 English If x = 1/2, y=3 is a solution of the equation 4x - 7ky = - 19, then find the value of k.​

Answer 1

Answer:

k= 1

Step-by-step explanation:

WKT: x= 1/2,

y= 3

=> 4*1/2-7k*3= -19

=> 2- 21k = -19

=> -21k = -19-2

=> -21k = -21

=> k = -21/-21

=> k = 1