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irina [24]
3 years ago
12

Think of a number. Double it. Add six. Half it. Take away the number you started with. Your answer is 3.

Mathematics
1 answer:
worty [1.4K]3 years ago
4 0
(x\cdot2+6)\div2-x=3\\
(2x+6)\div 2-x=3\\
x+3-x=3\\
x-x=3-3\\
0=0

That number can be any real number.
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