Chapter 7 - XYZ Custom Plus

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416<strong>Chapter</strong> 7 Solving EquationsGetting Ready for ClassAfter reading through the preceding section, respond in your ownwords and in complete sentences.1. What is the distributive property?2. What property allows 5(x + 3) to be rewritten as 5x + 5(3)?3. What property allows 3x + 4x to be rewritten as 7x?4. True or false? The expression 3x means 3 multiplied by x.
7.1 Problem Set417Problem Set 7.1A For review, use the distributive property to combine each of the following pairs of similar terms. [Examples 1–3]1. 2x + 8x10x2. 3x + 7x10x3. −4y + 5yy4. −3y + 10y7y5. 4a − a3a6. 9a − a8a7. 8(x + 2)8x + 168. 8(x − 2)8x − 169. 2(3a + 7)6a + 1410. 5(3a + 2)15a + 1011. _1 (3x + 6)3x + 212. _1 (2x + 4)2x + 2B Simplify the following expressions by combining similar terms. In some cases the order of the terms must be rearrangedfirst by using the commutative property. [Examples 4–6]13. 4x + 2x + 3 + 86x + 1114. 7x + 5x + 2 + 912x + 1115. 7x − 5x + 6 − 42x + 216. 10x − 7x + 9 − 63x + 317. −2a + a + 7 + 5−a + 1218. −8a + 3a + 12 + 1−5a + 1319. 6y − 2y − 5 + 14y − 420. 4y − 3y − 7 + 2y − 521. 4x + 2x − 8x + 4−2x + 422. 6x + 5x − 12x + 6−x + 623. 9x − x − 5 − 18x − 624. 2x − x − 3 − 8x − 1125. 2a + 4 + 3a + 55a + 926. 9a + 1 + 2a + 611a + 727. 3x + 2 − 4x + 1−x + 328. 7x + 5 − 2x + 65x + 1129. 12y + 3 + 5y17y + 330. 8y + 1 + 6y14y + 131. 4a − 3 − 5a + 2aa − 332. 6a − 4 − 2a + 6a10a − 4
Page 1 and 2: Solving Equations7IntroductionImage
Page 3 and 4: The Distributive Propertyand Algebr
Page 5 and 6: 7.1 The Distributive Property and A
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Page 11 and 12: 7.1 Problem Set419Find the value of
Page 13 and 14: 7.1 Problem Set42191. Temperature a
Page 15 and 16: Introduction . . .The Addition Prop
Page 17 and 18: 7.2 The Addition Property of Equali
Page 19 and 20: 7.2 Problem Set427Problem Set 7.2A
Page 21 and 22: 7.2 Problem Set429Applying the Conc
Page 23 and 24: The Multiplication Property of Equa
Page 25 and 26: 7.3 The Multiplication Property of
Page 27 and 28: 7.3 Problem Set435Problem Set 7.3AU
Page 29 and 30: 7.3 Problem Set437Find the value of
Page 31 and 32: Introduction . . .The Rhind Papyrus
Page 33 and 34: 7.4 Linear Equations in One Variabl
Page 39 and 40: Introduction . . .ApplicationsAs yo
Page 41 and 42: 7.5 Applications449Step 2 Assign a
Page 43 and 44: 7.5 Applications451Example 4The ang
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Page 49 and 50: 7.5 Problem Set457Coin Problems [Ex
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Page 53 and 54: 7.6 Evaluating Formulas461The rate
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Chapter 7 TestSimplify each express
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RESEARCH PROJECTAlgebraic Symbolism
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