Chapter 3 Vocabulary Review

if the variable parts of two or more terms are EXACTLY the SAME, the terms are 

are operations that undo each other 

to solve an inequality use this 

a number that is multiplied by a variable in an expression 

are equations that have the same solution(s) 

two inequalities that are joined by the word AND or the word OR form a

contains one or more variables 

evaluate expressions that contain many mathematical operations, guidelines must be followed

is a variable, a number, or a product or quotient of variables or numbers. 

 an equation can be changed into an equivalent equation by exchanging expressions on both sides

is to find the value of an algebraic expression, substitute a numerical value for the variable

a statement in which two expressions are equal.