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Chapter 1: Q10. (page 20)

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

7+(9鈭�32)

Short Answer

Expert verified

The value of the expression is: 7+(9鈭�32)=7.

Step by step solution

01

– Given information.

Given expression is:

7+9鈭�32

02

– Write the concept.

The substitution property for multiplication, addition and subtraction is:

a鈰�b=ca卤b=c

The Additive identity is:

a+0=a

The Additive inverse is:

a+鈭�a=0

03

– Evaluate the expression.

The expression7+9鈭�32 can be solved in below:

7+9鈭�32=7+9鈭�3鈰�3鈥夆赌夆赌夆赌夆赌夆赌夆赌夆赌夆赌�鈭�a2=a鈰�a=鈥�7+9鈭�9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=7+0鈥夆赌夆赌夆赌夆赌夆赌夆赌夆赌夆赌�笔谤辞辫别谤迟测辞蹿础诲诲颈迟颈惫别鈥夆赌塈苍惫别谤蝉别=7鈥夆赌夆赌夆赌夆赌夆赌夆赌夆赌夆赌�笔谤辞辫别谤迟测辞蹿础诲诲颈迟颈惫别鈥夆赌塈诲别苍迟颈迟测

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