Solution - A value that makes an equation true., Expression - A math phrase that can contain numbers, variables (letters like x or y) and operators (like +, - , x, ÷)., Inverse Operations - Opposite operations that undo each other. Addition and subtraction are inverse operations. Multiplication and division are inverse operations., Variable - A symbol for an unknown value, it is usually a letter., Coefficient - A number used to multiply a variable., Term - Either a single number or variable, or numbers and variables multiplied together. Terms are separated by + or - sign., Equivalent - A statement that two things are equal.,

Module 2 Lesson 3

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