To Solve, To find an answer to an equation., Equation, A statement that the values of two mathematical expressions are equal (indicated by the equal sign =)., 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 Operation, Opposite operations that undo each other., 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 − signs.

Module 2 Lesson 2

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