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Las soluciones son
y
.
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To solve the equation
, we need to consider the definition of absolute value. This equation implies two cases:
-
which simplifies to . -
which simplifies to .
So, the solutions areand .
Now, let’s think about how we can apply this concept beyond just math class. Absolute value equations pop up in real-world scenarios, like calculating distances. For example, if you’re two blocks north of a store and want to find out how far you are to the store located at the origin (0,0), you’d represent your current position as
, making it easier to calculate distances regardless of direction.
Common mistakes in solving absolute value equations include forgetting to consider both cases or mishandling the negative sign. Always remember that the absolute value outputs two scenarios—it’s like opening a door to another world where both positive and negative solutions exist. So, when you see an absolute value, switch on your ‘two cases’ mindset for success!