Solve

9 - c <2 or -3c > 15

My answer is 7 or -5

1 answer

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+
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