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Lesson 6-3

Lesson 6-3. Solving Multi-Step Inequalities. Solve a real-world problem. Ex 1. Find the temperature in degrees Celsius for which chlorine is a gas. Solve a real-world problem.

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Lesson 6-3

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  1. Lesson 6-3 Solving Multi-Step Inequalities

  2. Solve a real-world problem Ex 1 Find the temperature in degrees Celsius for which chlorine is a gas.

  3. Solve a real-world problem The inequality F>212 represents the temperatures in degrees Fahrenheit for which water is a gas (steam). Similarly, the inequality represents the temperatures in degrees Celsius for which water goes to gas. Find the temperature in degrees Celsius for which water is a gas.

  4. Inequality involving a negative coefficient Ex 2 Solve -7b + 19 < -16. Then check your solution.

  5. Inequality involving a negative coefficient Solve 13 - 11d  79. Then check your solution.

  6. Write and solve an inequality Ex 3 Write an inequality for the sentence below. Then solve the inequality. Three times a number minus eighteen is at least five times the number plus twenty-one. Three times a number minus eighteen is at least five times the number plus twenty-one.  3n 18  5n  21

  7. Write and solve an inequality Write an inequality for the sentence below. Then solve the inequality. Four times a number plus twelve is less than a number minus 3.

  8. Ex. 4 Distributive Property Solve 3d -2(8d - 9) > 3 - (2d + 7).

  9. Distributive Property Solve 8 - (c + 3)  6c + 3(2 - c)

  10. Ex 5 Empty Set Solve 8 + (t + 2) - 3(t - 4) < 5(t - 7) + 8

  11. Empty Set Solve -7(s + 4) + 11s  8s -2(2s + 1)

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