Объяснение:
{Х=8+ v
{X-2v+2=5
8+v-2v+2=5
-v=5-8-2
-v= - 5
V=5
X=8+5
X=13
Ответ : х=13
[tex]\displaystyle \left \{ {{x=8+v} \atop {x-2v+2=5}} \right. \\\\8+v-2v+2=5\\v=5\\x=8+5\\x=13\\(v,x)=(5,13)[/tex]
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Объяснение:
{Х=8+ v
{X-2v+2=5
8+v-2v+2=5
-v=5-8-2
-v= - 5
V=5
X=8+5
X=13
Ответ : х=13
V=5
[tex]\displaystyle \left \{ {{x=8+v} \atop {x-2v+2=5}} \right. \\\\8+v-2v+2=5\\v=5\\x=8+5\\x=13\\(v,x)=(5,13)[/tex]