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Chapter 4: Q50. (page 158)

Find the value of each expression.

50. 8+-5

Short Answer

Expert verified

The valueof 8+-5 is 3.

Step by step solution

01

– Description of step.

Write 8 as 3+5 into 8+-5.

3+5+-5

02

– Inverse property.

For any real number a, a+-a=0=-a+a.

03

– Apply inverse property.

Apply inverse property to the expression in step 1 and simplify.

3+0=3

Therefore, the value of 8+-5is 3.

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