Solve the Absolute Value Inequality: |2x - 5| > 7 Step by Step

Solve the inequality:

2x5>7 |2x - 5| > 7

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1

Understand the problem

Solve the inequality:

2x5>7 |2x - 5| > 7

2

Step-by-step solution

To solve 2x5>7 |2x - 5| > 7 , we consider the definition of absolute value inequality A>B |A| > B , which means A>B A > B or A<B A < -B .

Thus, 2x5>7 2x - 5 > 7 or 2x5<7 2x - 5 < -7 .

Let's solve these inequalities separately:

1. 2x5>7 2x - 5 > 7

Add 5 to both sides:

2x>12 2x > 12

Divide by 2:

x>6 x > 6

2. 2x5<7 2x - 5 < -7

Add 5 to both sides:

2x<2 2x < -2

Divide by 2:

x<1 x < -1

Therefore, the solution is x<1 or x>6 x < -1 \text{ or } x > 6 .

3

Final Answer

x<1 or x>6 x < -1 \text{ or } x > 6

Practice Quiz

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Given:

\( \left|2x-1\right|>-10 \)

Which of the following statements is necessarily true?

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