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Key Concepts:
Terms in this set (15)
Substitution
Replace the variable with a unknown value and use order of operations
Pemdas
Follow from left to right to solve order of operation(parenthesis exponents x division +-
Distributive property
Simplify an expression by x the outside terms by the terms on the inside of parenthesis
Like terms
Terms with common variables can be combined together
One step equations
Preform one step to get the varibles on one side of the equation
Two step equation
Preform two step to get the varibles on one side of the equation
Coefficient
A number next to a letter which means the x
Term
A number a variable or product of a number and a variable
Expression
A problom with no =
Equation
A problom with a =
Variable
Letter or cymbal used to represent an unknown value
exponent
A mathematical notation indicating the number of times a quantity is multiplied by itself.
constant
A term without a variable
algebraic expression
an expression that contains at least one variable
equivalent expressions
Expressions that always have the same value.
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