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# Unit 2 Vocab

### Algebra Vocab

TermDefinition
Evaluate to find the value of an expression or variable.
Substitute to replace a variable with its appropriate value.
Numerical Expression an expression that contains numbers and operations
Algebraic Expression an expression that contains numbers, operations and at least one variable
Variable a letter that holds the place of an unknown number.
Constant a value that does not change
Solution a value (s) that makes an equation or inequality true
Term parts of an expression that are separated by addition or subtraction symbols (could be a variable, a number or variable times a number)
Like Terms terms that have the same variable or the same power
Coefficient a number multiplied by a variable (the numerical part of a term)
Created by: mpaynesmms