By Karen Anglin
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CliffsQuickReview Math observe difficulties delivers a transparent, concise, easy-to-use evaluate of the fundamentals of fixing math observe difficulties. Introducing every one subject, defining key words, and thoroughly jogging you thru each one pattern challenge grants perception and knowing to fixing math note difficulties. you start by means of development a powerful origin in translating expressions, putting parentheses, and simplifying expressions. On most sensible of that base, you could construct your talents for fixing observe problems:
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Additional resources for CliffsQuickReview Math Word Problems
Divide by the coefficient and simplify. The solution is x = 5. 8x = 40 8 8 Remember: The four steps for solving equations must be done in order, but not all steps are necessary in every problem. Checking Solutions and Translations Confidence in your mathematical skills increases when you check your solution. Your solution can be checked two ways: in the equation and in the original word problem. First, solve an equation in Example 10 and check the solution in Exam ple 11. Example 10: Solve the following equation: 3(2x – 1) = 4x + 1 1.
2x – 3 + 3 = 1 + 3 44 CliffsQuickReview Math Word Problems Note: The opposite operation was used to move the constant. 2x = 4 4. Divide by the coefficient and simplify. 2x = 4 2 2 The solution is x = 2. Checking solutions To check the solution to an equation, replace all of the variables in the orig inal problem with your solution. Evaluate both sides of the equation as if they were order of operations problems. For a review of order of operations see CliffsQuickReview Basic Math and Pre-Algebra by Jerry Bobrow (Wiley Publishing).
You also could use the broad definition of perime ter and simply add the lengths of the sides. Using the formula (an equation) is the preferred method. An equation is necessary to solve more complicated word problems. Area of a triangle The area of a figure is the amount of surface enclosed by a closed figure. One way to recognize an area word problem is to visualize an area rug cov ering the shape. To find the area of a triangle use the formula A = 12 bh, where b represents the base of the triangle and h represents the height.
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