Respuesta :

For this case we have the following variables:
 a = 123
 b = 456
 We have the following expression:
 a + b
 Substituting the values we have:
 123 + 456 = 579
 Answer:
 
the write line output of a + b would be:
 
579

The line output of the equation a + b is [tex]\boxed{579}.[/tex]

Further explanation:

The associative property is defined as a grouping of multiplication, addition, subtraction and division.

Always use the PEDMAS rule to solve the grouping of multiplication, addition, subtraction and division.

Here, P is parenthesis, E is exponents, M is multiplication, D is division, A is addition and S is subtraction.

Given:

The generic variable are a andb.

The value of a is 123 and the value of b is 456.

Explanation:

Consider the equation [tex]{\text{Sum}} = a + b[/tex]

In the equation we have oneoperation that is addition.

Substitute 123 for a and 456 for b in equation [tex]{\text{Sum}} = a + b[/tex] to obtain the line output of a + b.

[tex]\begin{aligned}{\text{Sum}&= a + b\\&= 123 + 456\\&= 579\\\end{aligned}[/tex]

Hence, the line output of the equationa + b is [tex]\boxed{579}.[/tex]

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Answer details:

Grade: Middle School

Subject: Mathematics

Chapter:Number System

Keywords: property, simplify, two generic variables, a, 123, value, b, 456, line output, a+b, sum, addition, identity, shows, subtraction, number sentence, division, multiplication, variables, parenthesis, exponents.

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