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Chapter 1: Q 1.26. (page 26)

Simplify: 9-8-47-5.

Short Answer

Expert verified

The simplified value is 9.

Step by step solution

01

Step 1. Given Information. 

Consider the given expression,

9-8-47-5

02

Step 2. Perform Subtraction. 

Start with the innermost grouping symbol, which is parentheses in this case. Subtract 5 from 7 inside the parentheses.

9-8-42

03

Step 3. Perform Multiplication. 

Multiply 4 by 2 within the absolute value bars.

9-8-8

04

Step 4. Perform Subtraction. 

Subtract 8 from 8 within the absolute value bars.

9-0

05

Step 5. Simplification.

The distance of 0 from itself is 0, so the absolute value of 0 is 0. This implies that 0=0.

Substitute 0 for 0in the obtained expression and subtract.

9-0=9-0=9

06

Step 6. Conclusion.

The simplified value of 9-8-47-5is 9.

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