How do you solve -13< c + 213<c+2?

1 Answer
Oct 30, 2017

c> -15c>15

Explanation:

Subtract 2 from both sides:

-13-2<c+2-2132<c+22

-15<"c"15<c (remember a negative minus a negative gets more negative)

This is fine as an answer but convention states that the unknown term goes on the left, so you could write c> -15c>15