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Mathematics
Simon Burton
7 July, 07:39
If w = 7, what is the value of 21 - 2w?
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Marina Duarte
7 July, 08:40
0
21-2 (7) =
=21-14
=7
The answer is 7
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Eliza Arroyo
7 July, 09:45
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Do order off operations first
so 7 time 2 which is 14
then 21-14
which is 7
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