Add 3 on both sides: 2I5-2xI≤18 divide 2 on both sides: I5-2xI≤9 -9≤5-2x≤9 subtract 5: -14≤-2x≤4 divide by -2. Remember: when divided by a negative number, the inequality symbol changes direction. so we have7 ≥x≥-2 rewrite it: -2≤x≤7 so the answer is C you were right.
