23kk3812 23kk3812Solution23k k3 8 12 28 3k k324k 12 16

2/3k-k+3/8=1/2

2/3k - k+3/ 8 = 1/2

{2*8 - (3k (k+3))}/24k = 1/2

16 - 3k^2 - 9k = 12k

3k^2 + 21k -16 = 0

k = 0.7 , - 7.7

$2/3k-k+3/8=1/2 2/3k-k+3/8=1/2Solution2/3k - k+3/ 8 = 1/2 {2*8 - (3k (k+3))}/24k = 1/2 16 - 3k^2 - 9k = 12k 3k^2 + 21k -16 = 0 k = 0.7 , - 7.7$