3.1.3 Solving Inequalities by Multiplying or Dividing Key Objectives • Solve inequalities by multiplying or dividing by a positive number. • Solve inequalities by multiplying or dividing by a negative number. • Write and graph inequalities. Example 1
Using Multiplication and Division by a Positive Number to Solve Inequalities To solve a one-step inequality where the variable is multiplied by a positive number, divide both sides of the inequality by that coefficient. To solve a one-step inequality where the variable is divided by a positive number, multiply both sides of the inequality by that number.
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