Solve the equation and answer the question. 2(x + 200) + 2x = 1040 This is the equation that models the problem's conditions. 2x + 400 + 2x = 1040 Apply the distributive property. 4x + 400 1040 Combine like terms: 2x + 2x = 4x. 4x = 640 Subtract 400 from both sides. x = 160 Divide both sides by 4. Thus, width = x = 160. length = x + 200 = 160 + 200 = 360.

Solve the equation and answer the question. 2(x + 200) + 2x = 1040 This is the equation that models the problem's conditions. 2x + 400 + 2x = 1040 Apply the distributive property. 4x + 400 1040 Combine like terms: 2x + 2x = 4x. 4x = 640 Subtract 400 from both sides. x = 160 Divide both sides by 4. Thus, width = x = 160. length = x + 200 = 160 + 200 = 360.

Elementary Algebra

17th Edition

ISBN:9780998625713

Author:Lynn Marecek, MaryAnne Anthony-Smith

Publisher:Lynn Marecek, MaryAnne Anthony-Smith

Chapter2: Solving Linear Equations And Inequalities

Section2.6: Solve A Formula For A Specific Variable

Problem 429E: Solve the equation 5x2y=10 for x (a) when y=10 (b) in general (c) Which solution is easier for you,...

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Solve the equation 5x2y=10 for x (a) when y=10 (b) in general (c) Which solution is easier for you, (a) or (b)? Why?
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