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Tresset [83]
4 years ago
14

I'm thinking of a number. When I double my number and then subtract the result from five I get negative one. What is my number

Mathematics
1 answer:
storchak [24]4 years ago
3 0
X - the number
you double the number - 2x
you subtract the result from five - 5-2x
you get negative one - 5-2x=-1

5-2x=-1 \\
-2x=-1-5 \\
-2x=-6 \\
x=\frac{-6}{-2} \\
x=3

The number is 3.
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