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Pearson Algebra 1 Common Core, 2011

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Pearson Algebra 1 Common Core, 2011 View details

2. Solving Inequalities Using Addition or Subtraction

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Exercise 49 Page 175

Can one of the inequalities be written as the other?

Yes

Practice makes perfect

Let's begin by stating the inequalities. lc7+c>33 & (I) c>26 & (II) If two inequalities are equivalent, it is possible to write one of them as the other. To determine if the given inequalities are equivalent, we will attempt to write Inequality (I) as Inequality (II).

7+c>33

LHS-7>RHS-7

c>26

When the variable in Inequality (I) is isolated, we see that the two inequalities are the same. Therefore, they are equivalent.

Subchapter links

Lesson Check p.174

Practice and Problem-Solving Exercises p.174-177

Standardized Test Prep p.177

Mixed Review p.177