Question

Solve this: -11<-x+2<8.

?

Answer 1

you add 2 to each of the three sides.

okay?

-11< -x+2< 8
-2 -2 -2
--------------------
-13< -x <2
Divide by negative 1

-13< -x <2
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-1
Switch the signs direction

13> x > -2

tada