# 4.6: Simplify Variable Expressions Involving Integer Addition

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**Practice**Simplify Variable Expressions Involving Integer Addition

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Expression

Expression

An expression is a mathematical phrase containing variables, operations and/or numbers. Expressions do not include comparative operators such as equal signs or inequality symbols.Integer

Integer

The integers consist of all natural numbers, their opposites, and zero. Integers are numbers in the list ..., -3, -2, -1, 0, 1, 2, 3...Sum

Sum

The sum is the result after two or more amounts have been added together.Variable

Variable

A variable is a symbol used to represent an unknown or changing quantity. The most common variables are a, b, x, y, m, and n.Variable Expression

Variable Expression

A variable expression is a mathematical phrase that contains at least one variable or unknown quantity.### Image Attributions

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Evaluate and simplify variable expressions that involve integer addition

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Date Created:

Nov 30, 2012
Last Modified:

May 09, 2015
Vocabulary

Expression

Expression

An expression is a mathematical phrase containing variables, operations and/or numbers. Expressions do not include comparative operators such as equal signs or inequality symbols.Integer

Integer

The integers consist of all natural numbers, their opposites, and zero. Integers are numbers in the list ..., -3, -2, -1, 0, 1, 2, 3...Sum

Sum

The sum is the result after two or more amounts have been added together.Variable

Variable

A variable is a symbol used to represent an unknown or changing quantity. The most common variables are a, b, x, y, m, and n.Variable Expression

Variable Expression

A variable expression is a mathematical phrase that contains at least one variable or unknown quantity.
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