2016 AMC 8 Problems/Problem 10
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Contents
[hide]Problem
Suppose that means What is the value of if
Solution 1
Let us plug in into . Thus it would be . Now we have . Plugging into , we have . Solving for we have
Solution 2
Let us set a variable equal to . Solving for y in the equation , we see that y is equal to five. By substitution, we see that = 5. Solving for x in the equation we get
Video Solution
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See Also
2016 AMC 8 (Problems • Answer Key • Resources) | ||
Preceded by Problem 9 |
Followed by Problem 11 | |
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All AJHSME/AMC 8 Problems and Solutions |
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