(12-5b)-(3b+4)якщо b=-0.5. Created by vika151284. algebra-ru

(12-5b)-(3b+4)якщо b=-0.5...

August 2022 1 19 Report

(12-5b)-(3b+4)якщо b=-0.5

Grib000089522114811

$(12 - 5b) - (3b + 4) =\\ =12 - 5b - 3b - 4 = 8 - 8b = \\ = 8 - 8( - 0.5) = 8 + 4 = 12$

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