Section 3.5 Applications and Problem Solving 159 45. 4x 2x 9 315 x2 46. 3x x 8 216 x2 47. 4 2x 1 31x 12 48. 2 5x 8 61x 22 6 49. 9q 51q 32 5q 50. 6h 21h 62 10h 51. 41k 22 14 3k 20 52. 31x 42 9 2x 12 53. 3z 9 315z 12 54. 4y 4 81y 22 55. 61u 12 5u 1 51u 62 u 56. 212v 32 8v 61v 12 3v Problem Recognition Exercises Identifying Expressions and Equations For Exercises 1–6, identify the problem as an expression or as an equation. 1. 5 4x 6x 7 2. 814 7x2 4 3. 4 612x 32 1 4. 10 x 2x 19 5. 6 31x 42 6 6. 9 61x 12 For Exercises 7–30, first identify the problem as an expression or an equation. Then simplify the expression or solve the equation. 7. 5t 20 8. 6x 36 9. 5t 20t 10. 6x 36x 11. 51w 32 12. 61x 22 13. 51w 32 20 14. 61x 22 36 15. 5 t 20 16. 6 x 36 17. 5 t 20 18. 6 x 36 19. 5 3p 2 0 20. 16 2k 2 0 21. 23u 2 12u 72 22. 75w 27 14w 156 23. 23u 2 12u 72 24. 75w 27 14w 156 25. 21x 32 14 10 1x 42 26. 26 13x 122 11 41x 12 27. 21x 32 14 10 1x 42 28. 26 13x 122 11 41x 12 29. 2 31y 12 4y 7 30. 51t 52 3t t 9 Applications and Problem Solving Section 3.5 Concepts 1. Problem-Solving Flowchart 2. Translating Verbal Statements into Equations 3. Applications of Linear Equations 1. Problem-Solving Flowchart Linear equations can be used to solve many real-world applications. In this section, we offer guidelines to write equations to solve applications. Consider the problem-solving flowchart.
miller_prealgebra_2e_ch1_3
To see the actual publication please follow the link above