predicted value of y
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a solution
an equation that shows how to calculate the value of the next term in a sequence from the value of the current term
It's the value that when substituted in for the variable, makes the equation true. Ex: x + 1 = 3 The value 2, when substituted for the variable x, makes the equation true.
You substitute the value of the variable into the equation and simplify. If the rsult is a true statement then that value of the variable really does satisfy the equation.
Substitute that value in the equation, and then check to see if the resulting statement is TRUE.