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Equation
A mathematical sentence that contains an equals sign
Variable
an alphabetic character representing a number, called the value, which is either arbitrary or not fully specified or unknown. It is usually a letter like x or y.
inverse operation
Operations that undo each other
Coefficient
the decimal part
Evaluate
To find the value of a mathematical expression.
substitute
To replace a variable with a number or another expression in an algebraic expression.
constant
A term in an algebraic expression that does not contain variables
solve
The process used to find the value or values that make an equation true.
Solution
The value or values that make an equation or inequality true.
Isolate the variable
To get a variable alone on one side of an equation or inequality in order to solve the equation or inequality.
term
An element or number in a sequence.
Like Terms
expressions that contain the same variables to the same power
