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Chapter 1: Q16. (page 30)

Evaluate the following expression and name the property used in each step:

18+35+32+15

Short Answer

Expert verified

The value of the expression is: 18+35+32+15=100.

Step by step solution

01

Step 1. Given information.

The given expression is:

18+35+32+15

02

Step 2. Write the concept.

The substitution property for multiplication, addition and subtraction is:

a鈰�b=ca梅b=ca卤b=c

The commutative property of addition is:

a+b=b+a

03

Step 3. Evaluate the expression.

The expression 18+35+32+15can be solved as in below:

role="math" localid="1642017560802" 18+35+32+15=18+32+35+15鈥夆赌夆赌夆赌夆赌夆赌夆赌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塁辞尘尘耻迟补迟颈惫颈迟测=50+50鈥夆赌夆赌夆赌夆赌夆赌夆赌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��厂耻产蝉迟颈迟耻迟颈辞苍鈥夆赌塒谤辞辫别谤迟测=100鈥夆赌夆赌夆赌夆赌夆赌夆赌夆赌夆赌夆赌夆赌夆赌夆赌夆赌夆赌夆赌夆赌夆�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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