variable - a symbol, usually a letter of the alphabet, that stands for an unknown number, value, or quantity, algebraic expression - combination of numbers variables, and at least one operation, term - a number, variable, product, or quotient in an algebraic expression, constant term - a number that doesn't change, numerical term - the number part of the expression(usually the constant), algebraic term - is the variable and its coefficient, coefficient - a number that multiplies a variable, equation - a sentence that contains an equals sign, exponent - a quantity representing the power to which a given number or expression is to be raised, like terms - must have both the same variable (base) and the same exponent (power),

Expressions and Equations

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