Like terms - Same pronumerals and powers, Expanding brackets - Multiplying the term inside the brckets, Coefficient - The number in front of a pronumeral, Pronumeral - A letter used in place of a number, Variable - A quantity that can have different values., Expression - A quantity that is represented by a sequence of numbers and/or pronumerals that are connected by mathematical operations., Constant - A term without any pronumerals., Substitution - Replacing each pronumeral with a number.,

Algebra

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