SOLUTION: 3(r-6)+2>4(r+2)-21 graph, solution set notation, interval notation

Algebra ->  Graphs -> SOLUTION: 3(r-6)+2>4(r+2)-21 graph, solution set notation, interval notation      Log On


   

Question 597455: 3(r-6)+2>4(r+2)-21
graph, solution set notation, interval notation
Answer by lwsshak3(11628) About Me  (Show Source):
You can put this solution on YOUR website!
3(r-6)+2>4(r+2)-21
graph, solution set notation, interval notation
**
3(r-6)+2>4(r+2)-21
3r-18+2>4r+8-21
3r-16>4r-13
-r>3
multiply both sides by -1 and reverse inequality sign
solution: r<-3
number line
<=====-3)..............>
set notation:
{r|r<-3}
interval notation:
(-∞,-3)