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## Solve one - step equations using subtraction.

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### Answers for Explore More Problems

To view the Explore More answers, open this PDF file and look for section 12.5.

### Vocabulary Language: English

Difference

Difference

The result of a subtraction operation is called a difference.
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.
Inverse

Inverse

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

Simplify

To simplify means to rewrite an expression to make it as "simple" as possible. You can simplify by removing parentheses, combining like terms, or reducing fractions.
Sum

Sum

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

1. [1]^ License: CC BY-NC 3.0
2. [2]^ License: CC BY-NC 3.0