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For each expression, write an equivalent expression that uses only addition. a. 20 - 9+8-7 b. 4x - 7y-5z +6 -3x - 8y - 4-z C. Use the distributive pronertuto writ

For each expression, write an equivalent expression that uses only addition. a. 20 - 9+8-7 b. 4x - 7y-5z +6 -3x - 8y - 4-z C. Use the distributive pronertuto writ

Algebra and Trigonometry (6th Edition)
Algebra and Trigonometry (6th Edition)
6th Edition
ISBN:9780134463216
Author:Robert F. Blitzer
Publisher:Robert F. Blitzer
ChapterP: Prerequisites: Fundamental Concepts Of Algebra
Section: Chapter Questions
Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...
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1. For each expression, write an equivalent expression that uses only addition. a. 20 - 9+8-7 b. 4x - 7y-5z + 6 C. -3x - 8y- 4-z 2. Use the distributive property to write an expression that is equivalent to each expression. If you get stuck, consider drawing boxes to help organize your work. 9(4x – 3y – a. b. -2(-6x + 3y – 1) (20y – 4x – 13) d. 8(-x-) e. -8(-x-y+ C. 3. The output from a coal power plant is shown in the table: energy in megawatts number of days 1,200 2.4 1,800 3.6 4,000 8. 10,000 20 Similarly, the output from a solar power plant is shown in the table: energy in megawatts number of days 100 1 650 4 1,200 1,750 10 Based on the tables, is the energy output in proportion to the number of days for either plant? If so, write an equation showing the relationship. If not, explain your reasoning.
Transcribed Image Text:1. For each expression, write an equivalent expression that uses only addition. a. 20 - 9+8-7 b. 4x - 7y-5z + 6 C. -3x - 8y- 4-z 2. Use the distributive property to write an expression that is equivalent to each expression. If you get stuck, consider drawing boxes to help organize your work. 9(4x – 3y – a. b. -2(-6x + 3y – 1) (20y – 4x – 13) d. 8(-x-) e. -8(-x-y+ C. 3. The output from a coal power plant is shown in the table: energy in megawatts number of days 1,200 2.4 1,800 3.6 4,000 8. 10,000 20 Similarly, the output from a solar power plant is shown in the table: energy in megawatts number of days 100 1 650 4 1,200 1,750 10 Based on the tables, is the energy output in proportion to the number of days for either plant? If so, write an equation showing the relationship. If not, explain your reasoning.
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