Ответ:
z = -2/5
y = 1/5
Объяснение:
[tex]\left \{ {{2y+z=0} \atop {-z+3y=1}} \right. |+\\\\5y=1\\y=\frac{1}{5} \\\\2*\frac{1}{5} +z=0\\z=-\frac{2}{5}[/tex]
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Ответ:
z = -2/5
y = 1/5
Объяснение:
[tex]\left \{ {{2y+z=0} \atop {-z+3y=1}} \right. |+\\\\5y=1\\y=\frac{1}{5} \\\\2*\frac{1}{5} +z=0\\z=-\frac{2}{5}[/tex]