# 1.12: Solve Real-World Problems by Writing and Solving Single-Variable Equations

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**Practice**Sentences as Single Variable Equations

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Algebraic Equation

An algebraic equation contains numbers, variables, operations, and an equals sign.Consecutive

The term consecutive means "one after another." An example of consecutive numbers is 1, 2, and 3. An example of consecutive even numbers would be 2, 4, and 6. An example of consecutive odd numbers would be 1, 3, and 5.Equation

An equation is a mathematical sentence that describes two equal quantities. Equations contain equals signs.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...Inverse Operation

Inverse operations are operations that "undo" each other. Multiplication is the inverse operation of division. Addition is the inverse operation of subtraction.Verbal Model

A verbal expression (or verbal model) uses words to decipher the mathematical information in a problem. An equation can often be written from a verbal model.### Image Attributions

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Learn to solve real-world problems by writing and solving single-variable equations.

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Date Created:

Dec 19, 2012
Last Modified:

Oct 05, 2016
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