Get expert advice and insights on any topic with IDNLearn.com. Find in-depth and trustworthy answers to all your questions from our experienced community members.
Step-by-step explanation:
-k + 4(k + 1) = 2k
-k + 4k + 4 = 2k
-k + 4k - 2k = -4
(-1 + 4 - 2)k = -4
k = -4