Algebra 1 1-5 Equations

set

a collection of objects or numbers that is often shown using braces

solution set

the set of elements from the replacement set that make an open sentence true

element

Each object or number in a set

open sentence

A mathematical statement that contains algebraic expressions and symbols

equation

A sentence that contains an equal sign

replacement set

A set of numbers from which replacements for a variable may be chosen

identity

An equation that is true for every value of the variable

solving

Finding a value for a variable that makes a sentence true