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OpenStudy (math22):
Twelve decreased by twice a number is -7 . What is the number?
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OpenStudy (anonymous):
THE NUMBER IS 9.5
OpenStudy (anonymous):
NOOB
OpenStudy (math22):
why?
OpenStudy (turingtest):
12-2x=-7 is how to write this sentence mathematically. Solving for x 12+7=2x=19 x=9.5 @whee you are definitely a "noob" here as well. If you weren't you would have tried to, oh I don't know... EXPLAIN the answer. Some tutor you are.
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