90.2k views
1 vote
3<3x+6<24

i keep getting 1 < x < 6
but the answer says -1 < x < 6

User Geron
by
6.8k points

1 Answer

6 votes
3 < 3x+6
-3<3x
-1<x

3x+6<24
3x<18
x<6

-1<x<6 the book is right

User TinKerBell
by
6.4k points
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.