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# Expressions & Equati

### Vocabulary for Expressions and Equations Unit Grade 7

TermDefinition
Equation Two expressions that are set equal to each other.
Algebraic Expression An expression that consists of numbers, operations, and variables.
Inverse Operations Operations that are opposites because they "undo" one another.
Properties of Equality Properties that state that adding, subtracting, multiplying, or dividing the same number to both sides of an equation creates an equivalent equation.
Solution Set All values for a variable that would make an inequality true.
Verbal Expression An expression that is given solely in words.
Constant The term in an expression that does not have a variable part.
Like Terms Terms that have identical variable parts that are raised to the same power.
Combining Like Terms The process of adding together the coefficients of terms with identical variable parts.
Factoring The process of dividing out a common factor from the terms of an expression.
Coefficient A numeric value that is multiplied by a variable.
Variable A symbol, usually a lower case letter, used to represent an unknown value or a value that changes.
Numeric Expression An expression that consists of entirely of numbers and operations.
Solution The value of a variable that makes an equation true.
Equivalent Equations Equations that have the same solution.
Distributive Property The property that states that a number being multiplied by a sum is equivalent to the sum of the products of the addends and the number.
Terms The parts of an expression that are being added together.
Inequality Two expressions that are being compared and are not necessarily equal to each other.
Created by: EYLERD110