To solve the compound inequalities -12 ≤ 2x
- 6 < 12, we need to break it into two separate inequalitie and solve each
inequality separately, and then find the intersection of the two.
Solve the first inequality -12 ≤ 2x - 6:
-12 ≤ 2x - 6
-12 + 6 ≤ 2x - 6 + 6 (add 6 to both sides)
-6 ≤ 2x
-6/2 ≤ 2x/2 (divide both sides by 2)
-3 ≤ x
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