помогите решить систему плз2x+5=1-x + 2y14x-5=9x-3y-2. Created by GhoSt971. algebra-ru

помогите решить систему плз2x+5=1-x + 2y14x-5=9x-3y-2...

GhoSt971 @GhoSt971

July 2022 1 2 Report

помогите решить систему плз
2x+5=1-x + 2y
14x-5=9x-3y-2

Answers & Comments

irkarom

Verified answer

$\left \{ {no numeric noise key 1040 \atop no numeric noise key 1039} \right. \\
\\
 1038 1037} \\
\\
\left {{-15x+10y =20} 1036} \ + \\
\\
-15x+15x+10y+9y =20+9\\
19y=29\\
y= \fracno numeric noise key 1035no numeric noise key 1034 \\
\\
5x+3*\fracno numeric noise key 1033no numeric noise key 1032 =3\\
5x+\fracNO NUMERIC NOISE KEY 1031no numeric noise key 1030 =3 |*19\\
95x+87 =57\\
95x=57-87\\
95x=-30\\
x=-\fracNO NUMERIC NOISE KEY 1029no numeric noise key 1028 =-\fracNO NUMERIC NOISE KEY 1027no numeric noise key 1026\\$
Ответ: $(-\frac{6}{19}; \frac{29}{19})$

2 votes Thanks 1

Answers & Comments

Verified answer

vchera chislo uchenikov prisutstvovavshih na uroke bylo v 8 raz bolshe chisla otsutst

1 pochemu indiyu schitayut odnim iz liderov tretego mira 2 vsegda li est sovpad

2; sin 1,2...

vashe mnenie pochemu mestoimenie ya vstrechaetsya v stihotvorenii duma tolko odin

napishite pliz sochinenie k probleme vliyanie sredy na mirovospriyatie rebenka s

podskazhite pozhalujsta 2 argumenta k probleme vzaimootnoshenij mezhdu chelovekom i zh

dialog 2 h druzej pro nochnoj koshmar

kakoe iz nazvannyh sobytij proizoshlo ranshe ostalnyha pohod russkih knyazej na

рекомендуемые вопросы

Helpful Links

Helpful Social