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Math 200 1.
Elementary Algebra
Practice Exam #1
Evaluate the following expression if a = 3, b = -5, and c = -2 b2 − a(3c + b) Simplify: 3 11 + 5 12 13 3 ÷2 b. 18 5 c. ( 4 x − y ) − ( 7 x − 3 y ) 1 2 d. 2 y − 3x − y + x 2 3 a.
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Is x = 5 a solution to the equation x 2 − 5 = 10 ? Explain. Solve the following equations: a. 3x − 5 = 7 b. 5 − x = 10 1 c. x + 5 = 10 2 Solve the following equation for y: 3x + 2 y = 5 Simplify: 5 − 3( 4 − 8) ÷ ( − 6) + 7( 2 − 6) d. e. f. 5( x + 2) = 4( x − 1) 3x + 5 = 2(x − 3) 1 1 x + 2 = x −1 3 2
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The sum of three consecutive even integers is 222. Describe each integer in terms of x and then find the integers. A taxi cab charges $5.00 for a ride plus $1.25 per mile. If Joe has only $40.00 how far can he go? (Set up an algebraic inequality then solve it) Fifteen less than the product of four and a number is the difference between six times the number and eleven. Find the number. 8 out of...

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