Algebra 1 1-5 Equations
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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