Algebra I Date _________ Name ________________ Lesson 6.1 Solving Inequalities by Addition and Subtraction Objective 1) Solve linear inequalities by using addition 2) Solve linear inequalities by using subtraction Main Ideas Notes Review of Inequalities Definition Addition Property of Inequalities Solve by adding Example 1 a. s – 12 ≥ 65 b. -5 + t < 12 Graph the Example 2 solution a. Graph the solution to Example 1a b. Graph the solution to Example 1b Definition Subtraction Property of Inequalities Solve by Example 3 subtraction and q + 23 < 14 graph the solution Variables on both Example 4 sides. Solve and 12n – 4 ≤ 13n graph the solution. Inequalities < > ≤ ≥ Write and solve Example 5 an inequality Seven times a number is greater than six times that number minus two. Write an Example 6 inequality to Alicia wants to buy season passes to two theme parks. If one season solve a problem pass costs $54.99, and Alicia has $100 to spend on passes, the second season pass must cost no more than what amount?
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