By Rhonda Huettenmueller

Realizing algebra supplies a better option of jobs, is helping you practice greater in technology, computing, and math classes, ups your ranking on aggressive checks, and improves your skill to do day-by-day computations. and there is no swifter or extra painless method to grasp the topic than Algebra Demystified! interesting writer and skilled instructor Rhonda Huettenmueller offers the entire math historical past you would like and makes use of functional examples, actual information, and a wholly diversified method of carry the "myst" from algebra. With Algebra Demystified, you grasp algebra one uncomplicated step at a time - at your individual pace. not like so much books at the topic, common options are provided first - and the main points stick with. that allows you to make the method as transparent and straightforward as attainable, lengthy computations are offered in a logical, layered development with only one execution in keeping with step.

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**Extra info for Algebra Demystified: A Self Teaching Guide**

**Example text**

This would mean Sarah’s age would be represented by 12 x. John has eight more nickels than Larry has. The number of John’s nickels is being compared to the number of Larry’s nickels, so it is easier to let x represent the number of nickels Larry has. Let x ¼ the number of nickels Larry has. x þ 8 ¼ the number of nickels John has. A used car costs $5000 less than a new car. CHAPTER 2 Introduction to Variables Let x ¼ the price of the new car. x À 5000 ¼ the price of the used car A box’s length is three times its width.

6 Chapter Review 18 as a mixed number. 5 ðaÞ 1 85 ðbÞ 3 35 ðcÞ 8 15 1. Write 2. 3. 1 7 þ ¼ 6 15 19 ðaÞ 30 1 34 ¼ 2 25 ðbÞ 8 15 ðcÞ 8 23 ðdÞ 2 45 ðdÞ 1 2 CHAPTER 1 Fractions 34 ðaÞ 4. 21 5 ðbÞ 7 5 17 5 À ¼ 18 12 1 19 ðaÞ ðbÞ 18 36 21 20 ðcÞ 35 48 ðdÞ ðcÞ 2 29 36 ðdÞ 5. Write 2 49 as an improper fraction. ðaÞ 6. 7. 8. 9. 3 5 Á ¼ 7 6 15 ðaÞ 6 11 1 þ ¼ 12 2 17 ðaÞ 12 2 3 4 8 9 ðcÞ 22 9 ðdÞ 2 49 is an improper fraction ðbÞ 5 7 ðcÞ 15 7 ðdÞ ðbÞ 3 4 4 90 ðcÞ 7 15 ðdÞ 13 14 ðcÞ 5 14 13 24 ðdÞ ¼ 3 2 ðbÞ 3 8 ðcÞ 4 3 ðdÞ 8 3 1 12 À 14 ¼ ðaÞ 11.

B) (c) (d) (d) 2. 6. 10. 14. (a) (d) (c) (a) 3. 7. 11. 15. (d) (b) (c) (b) 4. 8. 12. 16. (b) (a) (a) (d) This page intentionally left blank. CHAPTER 2 Introduction to Variables A variable is a symbol for a number whose value is unknown. A variable might represent quantities at diﬀerent times. ’’ The value of your earnings varies depending on the number of hours worked. If an equation has one variable, we can use algebra to determine what value the variable is representing. Variables are treated like numbers because they are numbers.