8. + 6 = 2 9. + 3 = 15 10. 6 = – –2 11. = 12. = 13. 8 = f k – –32 – –17 – –4 = 1 = = 16 14. 15. 16. –9 0.5 = 2.5 2.5g + 0.45 = 0.95 0.4m 0.7 = 0.22 17. 18. 19. – – Write an equation and solve each problem. 20. Seven less than four times a number equals 13. What is the number? 21. GEOMETRY A rectangular swimming pool is surrounded by a concrete sidewalk that is 3 feet wide. The dimensions of the rectangle created by the sidewalk are 21 feet by 31 feet. a. Find the length and width of the pool. b. Find the area of the pool.
8. + 6 = 2 9. + 3 = 15 10. – 6 = –2 11. – = 12. –32 – f = –17 13. 8 – k = –4 14. = 1 15. = –9 16. = 16 17. – 0.5 = 2.5 18. 2.5g + 0.45 = 0.95 19. 0.4m – 0.7 = 0.22 Write an equation and solve each problem. 20. Seven less than four times a number equals 13. What is the number? 21. GEOMETRY A rectangular swimming pool is surrounded by a concrete sidewalk that is 3 feet wide. The dimensions of the rectangle created by the sidewalk are 21 feet by 31 feet. a. Find the length and width of the pool. b. Find the area of the pool.