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Mathematics 16 Online
OpenStudy (math22):

Twelve decreased by twice a number is -7 . What is the number?

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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