Question

If (2,1) is the solution of the linear equation kx -2y = 10, then the value of k is :​

Answer 1

HERE IS UR ANSWER DEAR,

(2,1) => x =2 ,y = 1

kx -2y = 10

k (2) -2(1) = 10

2k -2 =10

2k = 10+2

2k =12

k = 12/2

k =6