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Alona [7]
3 years ago
11

What is the following solution to |x+3|=12

Mathematics
2 answers:
vladimir1956 [14]3 years ago
5 0
|x|=a\iff x=a\ or\ x=-a\\==============================\\|x+3|=12\iff x+3=12\ or\ x+3=-12\ \ \ \ |subtract\ 3\ from\ both\ sides\\\\\boxed{x=9\ or\ x=-15}
deff fn [24]3 years ago
4 0
|x+3|=12\\
x+3=12 \vee x+3=-12\\
x=9 \vee x=-15
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