Computer Science: An Overview: Global Edition (12th Edition)

Published by Pearson Higher Education
ISBN 10: 1292061162
ISBN 13: 978-1-29206-116-0

Chapter 11 - Artificial Intelligence - Chapter Review Problems - Page 533: 27

Answer

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Work Step by Step

To solve the equation \( \frac{3}{2x-1} = \frac{6}{3x+1} \) and reduce it to the form \( x = 3 \), we can follow these algebraic productions: 1. Cross-multiply to eliminate fractions: \[ 3(3x + 1) = 6(2x - 1) \] 2. Expand and simplify both sides: \[ 9x + 3 = 12x - 6 \] 3. Rearrange terms to isolate \( x \): \[ 3 = 12x - 9x - 6 \] \[ 3 = 3x - 6 \] 4. Add 6 to both sides: \[ 9 = 3x \] 5. Divide both sides by 3: \[ x = 3 \] General heuristic rules used when performing algebraic simplifications include: 1. Combine like terms. 2. Distribute or factor expressions. 3. Isolate the variable by performing inverse operations. 4. Eliminate fractions by cross-multiplying. 5. Avoid dividing by zero. 6. Check solutions for extraneous roots.
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