SOLUTION: Explain how we evaluate an algebraic expression for given values of the variables. How would we evaluate the expression "3x - 4y + 9" when x = 2 and y = 5?

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Question 322281: Explain how we evaluate an algebraic expression for given values of the variables. How would we evaluate the expression "3x - 4y + 9" when x = 2 and y = 5?

Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
Just plug in the values and simplify.
3x-4y%2B9=3%282%29-4%285%29%2B9
3x-4y%2B9=6-20%2B9
3x-4y%2B9=-5