Subjects algebra

Evaluate Expression 23Ce42

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1. **State the problem:** Evaluate the expression $$-12 - (14 + -15 \div 15) \times -9$$. 2. **Recall order of operations:** Parentheses first, then division and multiplication from left to right, and finally addition and subtraction. 3. **Evaluate inside the parentheses:** $$-15 \div 15 = -1$$ So the expression inside the parentheses becomes: $$14 + (-1) = 13$$ 4. **Rewrite the expression:** $$-12 - 13 \times -9$$ 5. **Multiply:** $$13 \times -9 = -117$$ 6. **Rewrite the expression:** $$-12 - (-117)$$ 7. **Subtracting a negative is adding:** $$-12 + 117 = 105$$ **Final answer:** $$105$$