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Chapter 1: Q 39. (page 21)
In the following exercises, simplify the following expressions by combining like terms.
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The length of a rectangle is 7 less than the width. Letwrepresent the width of the rectangle. Write an expression
for the length of the rectangle.
Translate the English phrase into an algebraic expression:
(a) The difference of two times x and 8.
(b) Two time the difference of x and 8.
In the following exercises,Perform the indicated operation.
Evaluate when x = 3, a. x b. 4x c.3x2 + 4x + 1.
Is 4,962 divisible by (a) 2 ? (b) 3 ? (c) 5 ? (d) 6 ? (e) 10 ?
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