8
k + 1 = 3k - 1
k - 3k = -1 - 1
-2k = -2
k = -2/-2
k = 1
Added 9/2/2017 6:52:49 PM
This answer has been confirmed as correct and helpful.
0
k=1
You just have to subtract 1 on both sides, then simply the equation and use whatever operation you'll see until you arrive to a right solution, which is k is equal to 1.
Added 10/20/2022 12:53:36 AM