Предмет: Математика, автор: Djejdjrk

ПОМОГИТЕ РЕШИТЬ 8 КЛАСС МАТЕМАТИКА СРОЧНО!!!!

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Автор ответа: xiotur56geometrydash

$\dfrac{x-3}{5}+\dfrac{5-2x}{2}=1\dfrac{1}{2}\\\\2x-6+25-10x=15\\-8x+19=15\\-8x=-4\\x=\dfrac{1}{2}\\\\\\\dfrac{2x-3}{5}=\dfrac{3x-12}{2}\\4x-6=15x-60\\-9x=-54\\x=6\\\\\\\dfrac{5x+4}{6}=\dfrac{28-3x}{4}\\\\10x+8=84-9x\\19x=76\\x=4\\\\\\\dfrac{x+3}{5}+\dfrac{2x+4}{3}=-5\\\\3x+9+10x+20=-5\\13x+29=-5\\13x=-34\\x=-2\dfrac{8}{13}$

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