### Face mask math puzzle with answer

What is the best and full answer to the following math puzzle? See answer & hint below.

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### stay at home puzzle

New stay at home math puzzle is ready for you to be solved in minutes. Can you do it? Please remember - staying at home is the best option during these hard times. Stay healthy!

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### balloon math puzzle brain teaser

can you solve this puzzle? x + 2y + 3z = 0 x - y + z = 0 x + y - 2z = 0 x + y + z = ?

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