Solve the inequality- fast for 20 points
31< 9x + 4 <49
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31<9x+4<49
31<9x+4 9x+4<49
-9x<4-31 9x<49-4
-9x<-27 9x<45
x>-27/-9 x<45/9
minus gets canceled x<5
So,x>3
Therefore,
{x:5>x>3}
Probably this could be the answer.
31<9x+4 9x+4<49
-9x<4-31 9x<49-4
-9x<-27 9x<45
x>-27/-9 x<45/9
minus gets canceled x<5
So,x>3
Therefore,
{x:5>x>3}
Probably this could be the answer.
sam172003:
there is a gap between the two
I hope i could have understood that
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