Реши систему уровнения x +2y/10-x+4y/3=-8 2x-3y/2-x+y/6=0.. Created by kristina8899. matematika-ru

6=0...

July 2022 1 7 Report

Реши систему уровнения x +2y/10-x+4y/3=-8 2x-3y/2-x+y/6=0.

Answers & Comments

373050026 $\left \{ {\frac{x+2y}{10}-\frac{x+4y}{3}=-8|*30} \atop {\frac{2x-3y}{2}-\frac{x+y}{6}=0|*6}} \right. \left \{ {3(x+2y)-10(x+4y)=-30*8} \atop {3(2x-3y)-(x+y)=0} \right.\left \{ {3x+6y-10x-40y=-240} \atop {6x-9y-x-y=0} \right.=\ \textgreater \ \\\\=\ \textgreater \ \left \{ {{-7x-34y=-240|*5} \atop {5x-10y=0|*7}} \right. \left \{ {{-35x-170y=-1200} \atop {35x-70y=0}} \right. =\ \textgreater \ Skladivaem=\ \textgreater \ \\\\=\ \textgreater \ \left \{ {{-240y=-1200} \atop {35x-70y=0}} \right.\left \{ {{y=5} \atop {35x-70*5=0}} \right.\left \{ {{y=5} \atop {35x=70*5}} \right.=\ \textgreater \$
$=\ \textgreater \ \left \{ {{y=5} \atop {35x=350}} \right. \left \{ {{y=5} \atop {x=\frac{350}{35}}} \right. \left \{ {{y=5} \atop {x=10}} \right.$
Ответ:(10;5)

20 votes Thanks 26

Answers & Comments

szderden sjlem ra zhasy adam talantty adam syjlajdy kmek beredi sjedi

Nadia and Danny?)...

Make sentences using if and the second conditional . 1) Kate speaks too quickly ...

match questions 1-5 with answers a-e. 1. has the Titanic sunk to the bottom of t...

v treugolnike avs v kotorom ugol a60 gradusam ugol v80 grudusam provedina

your...

nuzhno verit komu i chestno sluzhit chemu

napisat sochinenie na temu chem mne ponravilsya bujvol shirokolobyj

3a) every one, every thing, every where, some one, some thing, some where Now co...

рекомендуемые вопросы

Helpful Links

Helpful Social