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solution of an equation
A(n) ________ is a value for the variable that makes the equation true.
guess and check method
A(n) ________ involves guessing a value for the variable in an equation and checking to see if it is the solution by substituting the value in the equation.
expressions
The ________ can be numbers, variables, constants, or combinations thereof.
guess and check method
A(n) ________ involves guessing a value for the variable in an equation and checking to see if it is the solution by substituting the value in the equation.
working backward
In this method, you begin at the end and work backward toward the beginning.
Note 
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