Answers

2016-07-17T14:11:35+08:00
(k+2)-(5k-3) = (3k-11)-(k + 2)
k+2-5k+3 = 3k-11-k-2
4k+5 = 2k - 13
-4k-2k = -13-5
-6k = -18
-6k/-6 = -18/-6
k = 3
1 5 1