Реши урaвнение.
[tex] \frac{5}{6}b - \frac{5}{9}b + 1 = \frac{1}{2}b + \frac{1}{3}.[/tex]
[tex] \frac{5}{6}b - \frac{5}{9}b + 1 = \frac{1}{2}b + \frac{1}{3}.[/tex]
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5/6в-5/9в+1=1/2в+1/3 самое простое-это умножить на 18 право и лево15в-10в+18=9в+6
5в+18=9в+6
5в-9в=6-18
-4в=-12
4в=12
в=12/4
в=3