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Chapter 1: Q13. (page 19)

Evaluate the following expression. Name the property used in each step:

2(3鈰�2鈭�5)+3鈰�13

Short Answer

Expert verified

The value of the expression is:2(3鈰�2鈭�5)+3鈰�13=3

Step by step solution

01

– Given information.

Given expression is:

23鈰�2鈭�5+3鈰�13

02

– Write the concept.

The substitution property for multiplication, addition and subtraction is:

a鈰�b=ca卤b=c

The multiplicative inverse is:

a脳1a=1

The multiplicative identity is:

a脳1=a

03

– Evaluate the expression.

The expression23鈰�2鈭�5+3鈰�13 can be solved in below:

23鈰�2鈭�5+3鈰�13=23鈰�2鈭�5+1鈥夆赌夆赌夆赌夆赌夆赌夆赌夆赌夆赌夆赌夆赌�笔谤辞辫别谤迟测鈥夆赌塷蹿鈥夆赌尘耻濒迟颈辫濒颈肠补迟颈惫别颈苍惫别谤蝉别=26鈭�5+1鈥夆赌夆赌夆赌夆赌夆赌夆赌夆赌夆赌�厂耻产蝉迟颈迟耻迟颈辞苍鈥夆赌塒谤辞辫别谤迟测=21+1鈥夆赌夆赌夆赌夆赌夆赌夆赌夆赌夆赌�厂耻产蝉迟颈迟耻迟颈辞苍鈥夆赌塒谤辞辫别谤迟测=2+1鈥夆赌夆赌夆赌夆赌夆赌夆赌夆赌夆赌夆赌夆赌夆�夆�夆�夆�夆��笔谤辞辫别谤迟测辞蹿惭耻濒辫濒颈肠补迟颈辞苍鈥夆赌塈诲别苍迟颈迟测=3鈥夆赌夆赌夆赌夆赌夆赌夆赌夆赌夆赌夆赌夆赌夆�夆�夆��厂耻产蝉迟颈迟耻迟颈辞苍鈥夆赌塒谤辞辫别谤迟测

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