By Mahdi Alosh

This textbook is designed to hide the 1st 12 months of guide in glossy usual Arabic. followed through an instructor's handbook and an audio programme, it is going to educate scholars to learn, communicate, and write Arabic. The textual content offers an interesting tale that includes Adnan, a Syrian scholar learning within the united states, and Michael, an American pupil learning in Cairo. In diaries, letters, and postcards, the 2 scholars describe their recommendations and actions, revealing how a non-American perspectives American tradition and the way the Arabic tradition is skilled through an American scholar. The textual content additionally presents information regarding the geography of the Arab international, favourite characters in heritage, festivities in Arab tradition, the media, everyday life, and the relatives. routines in comprehension, vocabulary, grammar, and writing attend to either shape and which means and enhance practical skills and information concerning the Arabic sound, writing, and language platforms.

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**Example text**

False 4. False 5. False 6. True 7. False 8. 3 17 Integers: Addition and Subtraction Objectives ■ Know the terminology associated with sets of integers. ■ Add and subtract integers. ■ Evaluate algebraic expressions for integer values. ■ Apply the concepts of adding and subtracting integers to model problems. ” Such examples illustrate our need for negative numbers. The number line is a helpful visual device for our work at this time. 1. 2. The set of whole numbers, along with Ϫ1, Ϫ2, Ϫ3, and so on, is called the set of integers.

18)(Ϫ18) 23. 112 Ϫ8 24. 112 Ϫ7 25. 0 Ϫ8 26. Ϫ8 0 30 27. Chapter 1 Some Basic Concepts of Arithmetic and Algebra Ϫ138 Ϫ6 28. 65. Ϫ6x Ϫ 7y Ϫ105 Ϫ5 76 29. Ϫ4 Ϫ114 30. 6 31. (Ϫ6)(Ϫ15) 0 32. Ϫ14 for x ϭ Ϫ4 and y ϭ Ϫ6 66. Ϫ5x Ϫ 12y 33. (Ϫ56) Ϭ (Ϫ4) 34. (Ϫ78) Ϭ (Ϫ6) 35. (Ϫ19) Ϭ 0 36. (Ϫ90) Ϭ 15 37. (Ϫ72) Ϭ 18 38. (Ϫ70) Ϭ 5 39. (Ϫ36)(27) 40. (42)(Ϫ29) 67. 5x Ϫ 3y Ϫ6 68. Ϫ7x ϩ 4y Ϫ8 for x ϭ Ϫ5 and y ϭ Ϫ7 for x ϭ Ϫ6 and y ϭ 4 for x ϭ 8 and y ϭ 6 69. 3(2a Ϫ 5b) for a ϭ Ϫ1 and b ϭ Ϫ5 70. 4(3a Ϫ 7b) for a ϭ Ϫ2 and b ϭ Ϫ4 71.

Subtraction is a commutative operation. 3. [(2)(Ϫ3)](7) ϭ (2)[(Ϫ3)(7)] is an example of the associative property for multiplication. 4. [(8)(5)](Ϫ2) ϭ (Ϫ2)[(8)(5)] is an example of the associative property for multiplication. 5. Zero is the identity element for addition. 6. The integer Ϫa is the additive inverse of a. 7. The additive inverse of 0 is 0. 8. The numerical coefficient of the term Ϫ8xy is 8. 9. The numerical coefficient of the term ab is 1. 10. 6xy and Ϫ2xyz are similar terms. 5 For Problems 1–12, state the property that justifies each statement.