Реши систему уравнений. Created by Pystouco. algebra-ru

Объяснение:Ответ: u=-11;y=-4.

Реши систему уравнений...

Объяснение:

$\left \{ {{5-5*(0,2y-2u)=3*(3u+2)+2y} \atop {4*(u-5y)-(2u+y)=10-2*(2u+y)}} \right.\ \ \ \ \left \{ {{5-y+10u=9u+6+2y} \atop {4u-20y-2u-y=10-4u-2y}} \right. \ \ \ \ \left \{ {{u=3y+1} \atop {6u-19y=10}} \right. \\\left \{ {{u=3y+1} \atop {6*(3y+1)-19y=10}} \right.\ \ \ \ \left \{ {{u=3y+1} \atop {18y+6-19y=10}} \right. \ \ \ \ \left \{ {{u=3y+1} \atop {-y=4\ |*(-1)}} \right. \ \ \ \ \left \{ {{u=3*(-4)+1} \atop {y=-4}} \right. \ \ \ \ \left \{ {{u=-11} \atop {y=-4}} \right. .$

Ответ:

u=-11;

y=-4.

1 votes Thanks 1

sangers1959

Verified answer

Ответ:

думаю всё понятно, (u ; y)=(-11 ; -4)

0 votes Thanks 0

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