SOLUTION: Is the following statement true for all x, y ∈ R? Justify your answer |x| + |y| = |x + y|

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Question 1074186: Is the following statement true for all
x, y ∈ R? Justify your answer
|x| + |y| = |x + y|
Answer by ikleyn(52814) About Me  (Show Source):
You can put this solution on YOUR website!
.
False.

Check for x = 1, y = -1.