Question

-5,6a+7,8b+7,12a-5,12b

Answer 1

Ответ:

-5.6а+7,8B+7,12А-5,12b=2.679*b+1.52*a

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Answer 2

It seems you have provided a series of expressions involving variables a and b. However, it is not clear what you would like to do with these expressions. Could you please provide more information or specify what you would like to know or do with these expressions?