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1.11: Solve and Check Single-Variable Equations Using Mental Math and Substitution

Difficulty Level: Basic Created by: CK-12
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Practice Single Variable Multiplication Equations
 
 
 
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Vocabulary

Algebraic Expression

An expression that has numbers, operations and variables, but no equals sign.

Equation

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

Inverse Operation

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

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.

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Difficulty Level:
Basic
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Date Created:
Dec 19, 2012
Last Modified:
Jan 27, 2017
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MAT.ALG.233.L.2