Download Intermediate algebra : a text/workbook by Charles P. McKeague PDF

By Charles P. McKeague

For the trendy pupil like you--Pat McKeague's INTERMEDIATE ALGEBRA, 9E--offers concise writing, non-stop evaluate, and modern purposes to teach you ways arithmetic connects for your smooth international. the hot version maintains to mirror the author's ardour for instructing arithmetic via delivering guided perform, overview, and reinforcement that can assist you construct abilities via 1000's of latest examples and purposes. Use the examples, perform workouts, tutorials, video clips, and ebook sections in more desirable WebAssign to perform your talents and exhibit your wisdom.

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89. 90. 91. 92. 93. 94. 95. 96. 75. 3x - 5 + 4x 77. 8x - 9 76. 7x - 4 - 5x + 8 - 3x + 7 - 4x 78. 7x - 4x + 3 - 2x 79. 3a + 2 - a - 5a 80. 81. 6y + 4 - Sy - y + 9 82. 5y - 3 - 4y - y + 2 83. - St - 3 + 8t + 2 - t 84. 85. Subtract 5 87. Subtract 4x from - 3x. 89. What number do you subtract from from - 3. 90. What number do you subtract from 91. Subtract 3a from the 92. Subtract - 3a from the 93. Find five times the sum of 3x and 95. Add 96. Subtract 4a from the sum of and - 9t - 5 + 1t + 3 -3 88.

7(x + ·'· ) a. b. 3. a. c. Answers 2a. 1 2 b. 6x b. c. +y 3a + 1 2 c. a 7x + 7y 3a. 4 Properties of Real N u mbers 25 The distributive property can also be used to combine similar tenns. (For now, a tenn is the product of a number with one or more variables. ) Similar tenns are tenns with the same variable part. The terms 3x and 5x are similar, as are 2y , 7y , and - 3y , because the variable parts are the same. To combine similar terms we use the distributive property in the reverse direction from that in Example 3.

Only that it is a sum. Multiplication distributes over addition, whether there are two numbers in the sum or two hundred. Associative property Addition Associative property Multiplication Multiplication � Our next property involves both addition and multiplication. It is called the distributive property and is stated as follows. Distributive Property a (b + c ) ab + ac Multiplication distributes over addition. In symbols: In words: = You will see as we progress through the book that the distributive property is used very frequently in algebra.

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