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Chapter 2: Q24. (page 66)

Simplify the expression.

24. x+17+12

Short Answer

Expert verified

x+17+12鈥�鈥�=鈥�鈥�x鈥�鈥�+鈥�鈥�29.

Step by step solution

01

Step-1 – What are real numbers? 

Real numbers are simply the combination of Whole numbers, Integers, Rational and Irrational numbers in the number system.

02

Step-2 – Commutative Property of Addition of Real Numbers: 

Suppose a, b, and c is three real numbers.

Commutative Property of Addition:

Property: a + b = b + a

If you add two real numbers in any order, the sum will always be the same.

Example: 5 + 2 = 2 + 5 = 7

03

Step-3 – Evaluate the expression

Commutative property of Addition states, if you add two real numbers in any order, the sum will always be the same.

Evaluate the expression:

To evaluate the expressionx+17+12, the termxis a variable. The terms17and12are constants.

Using the Commutative property of addition, adding like terms,

x+17+12x+(17+12)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�(惭补办别鈥夆赌塧鈥夆赌塯谤辞耻辫鈥夆赌墂颈迟丑鈥夆赌塩辞苍蝉迟补苍迟鈥夆赌塼别谤尘蝉鈥夆赌�)x+(12+17)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�(颁辞尘尘耻迟补迟颈惫别鈥夆赌塒谤辞辫别谤迟测鈥夆赌塷蹿鈥夆赌碱诲诲颈迟颈辞苍)x+29

x+17+12鈥夆赌�=鈥夆赌�x鈥夆赌�+鈥夆赌�29

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