Question

it is given that (2,-2) is a solution of the equation 5×+ky=4​

Answer 1

Answer:

k = 3

Step-by-step explanation:

$Given \ equation, 5x+ky=4 \\\\ (2,-2) \ is \ a \ solution. \\\\ Put \ x=2 \ and \ y=-2 \\\\ =>5x+ky=4 \\ =>5(2) +k(-2)=4\\=>10-2k=4 \\=>2k=10-4\\=>2k =6\\=>k=6/2\\=>k=3$