SOLUTION: i need to determine if this is true or false. if false i need to correct the last part. if -4<-2t+6<10, then 2>t+6>-5

Algebra ->  Graphs -> SOLUTION: i need to determine if this is true or false. if false i need to correct the last part. if -4<-2t+6<10, then 2>t+6>-5      Log On


   



Question 872898: i need to determine if this is true or false. if false i need to correct the last part. if -4<-2t+6<10, then 2>t+6>-5
Answer by rothauserc(4718) About Me  (Show Source):
You can put this solution on YOUR website!
if -4<-2t+6<10, then 2>t+6>-5
this false divide ALL terms by -2
if -4<-2t+6<10, then 2 > t - 3 > -5
add 3 to all terms
5 > t > -2
then t is a member of the interval (-2, 5)