Beginning Algebra, 11th Edition

100 CHAPTER 2 Linear Equations and Inequalities in One Variable Step 2 Subtract 3z. Combine like terms. Add 3. Combine like term ...

Solving an Equation with Fractions as Coefficients Solve Step 1 The LCD of all the fractions in the equation is 6. Multiply. Com ...

Step 2 Subtract 7. Combine like terms. Step 3 Divide by. Step 4 Check to confirm that 5 - 26 is the solution set. NOW TRY x=- 2 ...

Solving an Equation That Has Infinitely Many Solutions Solve Distributive property Subtract 5x. Combine like terms. Add 15. True ...

104 CHAPTER 2 Linear Equations and Inequalities in One Variable OBJECTIVE 4 Write expressions for two related unknown quantities ...

15. 16. 17. 4 r+ 2 =r- 6 19.- 12 x- 5 = 10 - 7 x 20.- 16 w- 3 = 13 - 8 w 2 x+ 9 = 4 x+ 11 7 p+ 8 = 9 p- 2 5 m+ 8 = 7 + 3 m SEC ...

70.A football player gained yyards on a punt return. On the next return, he gained 6 yd. What expression represents the number o ...

STUDY SKILLS Using Study Cards Revisited^107 13. 14. 15. 16. 17. 18. 19. 20. 21. 22. 23. 24. 25. 26. 27. 28. 2 - 1 m+ 42 = 3 ...

108 CHAPTER 2 Linear Equations and Inequalities in One Variable OBJECTIVE 2 Solve problems involving unknown numbers. OBJECTIVES ...

SECTION 2.4 An Introduction to Applications of Linear Equations^109 OBJECTIVE 3 Solve problems involving sums of quantities. To ...

NOTE The problem in Example 2could also be solved by letting xrepresent the number of medals the United States won. Then would r ...

SECTION 2.4 An Introduction to Applications of Linear Equations^111 Analyzing a Gasoline-Oil Mixture A lawn trimmer uses a mixtu ...

A sketch is helpful here. See FIGURE 2. 112 CHAPTER 2 Linear Equations and Inequalities in One Variable 2 x xx – 10 FIGURE 2 Ste ...

SECTION 2.4 An Introduction to Applications of Linear Equations^113 Step 5 State the answer.The lesser page number is 112, and t ...

Finding the Measure of an Angle Find the measure of an angle whose complement is five times its measure. Step 1 Readthe problem. ...

SECTION 2.4 An Introduction to Applications of Linear Equations^115 NOW TRY Step 3 Write an equation. EXERCISE 9 Find the measur ...

11.The sum of three times a number and 7 more than the number is the same as the differ- ence between and twice the number. What ...

SECTION 2.4 An Introduction to Applications of Linear Equations^117 19.In the 2008–2009 NBA regular season, the Boston Celtics w ...

32.A mathematics textbook editor spent 7.5 hr making telephone calls, writing e-mails, and attending meetings. She spent twice a ...

SECTION 2.4 An Introduction to Applications of Linear Equations^119 41.Two pages that are back-to-back in this book have 203 as ...