Реши уравнение: 8⋅(7+y)−4y=5y−63.. Created by LisaFomina2007. matematika-ru

Реши уравнение: 8⋅(7+y)−4y=5y−63...

nirvanaEC

$\displaystyle \tt 8\cdot(7+y)-4y=5y-63\\\displaystyle \tt 56+8y-4y=5y-63\\\displaystyle \tt 4y-5y=-63-56\\\displaystyle \tt -y=-119 \: \: \: \: | \cdot (-1)\\\displaystyle \tt y=119$

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sebrithien

Verified answer

56+8y-4y=5y-63
-y=-63-56
-y=-199
y=199
(Кстати, я тебе ответила на вопрос, там где 8 уравнений)

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