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3<3x+6<24 i keep getting 1 < x < 6 but the answer says -1 < x < 6

3<3x+6<24 i keep getting 1 < x < 6 but the answer says -1 < x < 6
asked 90.2k views
1 vote
3<3x+6<24

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

asked
User Geron
by
8.3k 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

answered
User TinKerBell
by
8.2k points
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