Question #c6f62

1 Answer
Oct 16, 2017

-2< r <=0

Explanation:

Split up the inequalities into two parts.
9+7r>r-3 and r-3>=7r+3
Solve them.

9+7r>r-3
6r> -12
r> -2

r-3>=7r+3
0>=6r
0>=r

Since r has to be more than -2 and less than 0, we can rewrite the inequality as -2< r <=0