# GACS lclab - Pre-Algebra 8 - Chapter 2 - Solving One-Step Equations and Inequalities - Vocabulary

## 12 terms · GACS lclab - Pre-Algebra 8 - Chapter 2 - Solving One-Step Equations and Inequalities - Vocabulary

### coefficient

a number that multiplies a variable

### constant

a term that has no variable

### deductive reasoning

the process of reasoning logically from given facts to a conclusion

### equation

a mathematical sentence with an equal sign; the sentence says that the side to the left of the equal sign has the same value as the side to the right of the equal sign

### inequality

a sentence that uses one of the symbols >, <, ≥, ≤, ≠

### inverse operations

operations taht undo each other

### like terms

terms with the same variables, raised to the same power

### open sentence

an equation with one or more variables

### simplify a variable expression

to replace an expression with an equivalent expression having as few terms as possible

### solution of an equation

a value for a variable that makes an equation true

### solution of an inequality

any number that makes an inequality true

### term

a number, a variable or the produce of a number and variable