SOLUTION: solve -12< equalto 3x-7< equalto -2

Question 255232: solve
-12< equalto 3x-7< equalto -2
Answer by jsmallt9(3759) (Show Source): You can put this solution on YOUR website!

I think the easiest way to solve these is to rewrite it as a compound inequality:
and
Now we solve each of these separately. Adding 7 to each side of both:
and
Dividing both sides of each by 3 we get:
and
which is our answer. Or, if we want to write it in the original form:

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