Intermediate Algebra: Connecting Concepts through Application

Published by Brooks Cole
ISBN 10: 0-53449-636-9
ISBN 13: 978-0-53449-636-4

Chapter 2 - Systems of Linear Equations and Inequalities - 2.4 Solving Linear Inequalities - 2.4 Exercises - Page 175: 58

Answer

$t > \frac{5}{2}$

Work Step by Step

Use distributive property on the right side of the inequality: $4t - 3 > 2t + 2$ Collect constants on the right side of the inequality by adding $3$ to each side: $4t > 2t + 5$ Subtract $2t$ from each side to collect variables on the left side of the inequality: $2t > 5$ Divide each side by $2$ to solve for $t$: $t > \frac{5}{2}$ Let's check our answer by substituting our value for $t$ into the original inequality to see if our inequality holds true: $4(\frac{5}{2}) - 3 > 2(\frac{5}{2} + 1)$ Multiply: $\frac{20}{2} - 3 > \frac{10}{2} + 1$ Simplify the fractions: $10 - 3 > 5 + 1$ Add or subtract: $7 > 6$
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