9-c < 2
c > 7
-3c > 15
c < -5
so, c < -5 or c > 7
See
http://www.wolframalpha.com/input/?i=solve+9+-+c+%3C2+or+-3c+%3E+15+
Solve
9 - c <2 or -3c > 15
My answer is 7 or -5
1 answer
9 - c <2 or -3c > 15
My answer is 7 or -5
1 answer