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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