how to simplify a expressions =?

Mathematics
Tutor: None Selected Time limit: 1 Day

2(1-d)-(2d+1) ow do u solve this and get 1-4d

Jan 13th, 2015

=2(1-d)-(2d+1)

= 2-2d-2d-1 simplifying your question

= 2-1-2d-2d

= 1 - 4d

Thanks

Jan 13th, 2015

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Jan 13th, 2015
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Jan 13th, 2015
Mar 23rd, 2017
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