SOLUTION: -8 < -3x + 7 < -2
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Question 327284
:
-8 < -3x + 7 < -2
Answer by
checkley77(12844)
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-8 < -3x + 7 < -2
-8-7<-3X<-2-7
-15<-3X<-9
-15/-3>X>-9/-3 (Note the signs change due to dividing by a negative value)
5>x>3
X=4 ans.
Proof:
-8<-3*4+7<-2
-8<-12+7<-2
-8<-5<-2