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unit 3


a group of symbols that make a mathematical statement
EX: (3x4)+2k


a symbol that is used in mathematical or logical expressions to represent a variable quantity
EX: j


the parts of an expression that are added together
EX: 3y+7


A value that does not change
EX: 2x+8+x+3y


A number multiplied by a variable in an algebraic expression.
EX: 5x, 8y

Like Terms

Expressions that contain the same variables and can be added together
EX: 6n+2n

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