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Ответ

Автор - keksik5693
ДАНО:
-14/15x+9/10=1/30x+2/3

РЕШЕНИЕ:
-frac{14}{15}x-frac{1}{30}x=-frac{9}{10}+frac{2}{3} \ -frac{28}{30}x-frac{1}{30}x=-27/30+20/30 \ -29/30x=-7/30 \ x=-7/30:(-29/30) \ x=-7/30*(-30/29) \ x=7/29

ОТВЕТ:
x=7/29

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