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Sewanhaka High School Math 8 Name:___________________________________ Per:___ H.W. #14: Ditto DO-NOW #14: Answer the following questions. SHOW WORK. 1) Write each mathematical expression in words: a) x + y b) x – y c) xy 2) Solve and Check: 9b + 8 = 80 Topic: Expressions and Equations Main Idea: Writing Two-Step Equations Aim: RECALL d) x / y Mrs. Lidowsky, Principal Mr. Long, Teacher Date:_________________ e) 2x + 8 = 12 3) Travis bought four CDs for $11.99 each and a pair of headphones for $21.79. Estimate the total cost of the items. (Do not include sales tax.) NOTES Recall Notes Translate each sentence into an equation. a) twice x decreased by 10 is 12 b) 25 minus 4 times x is 13 c) one half the sum of a and b is 4 Drill: Answer the following questions. Show work. SUMMARY: If time: Translate, solve, and check: 5) Translate into words and find the solution. n a) 5c – 8 = 27: b) + 2 = 9: 6 c) 2x + 5 = -7: