How do you solve -50<7k+6<-8?
1 Answer
Oct 29, 2016
Explanation:
Isolate 7k in the middle by subtracting 6 from all 3 parts.
#-50-6 > 7kcancel(+6)cancel(-6) < -8-6#
#rArr-56 < 7k < -14# To solve for k, divide all 3 parts by 7.
#(-56)/7 < (cancel(7) k )/cancel(7) < (-14)/7#
#rArr-8 < k < -2#
