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brow1
@brow1
July 2022
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дам 15 баллов!!! помогитеее
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Prognet
|x=2y+3z-6
|4(2y+3z-6)-7y-5z=-5
|2(2y+3z-6)-y+2z=6
|8y+12z-24-7y-5z=-5
|4y+6z-12-y+2z=6
|y+7z=19
|3y+8z=18
|y=19-7z
|3(19-7z)+8z=18
57-21z+8z=18
-13z=-39
z=3
y=19-21=-2
x=-4+9-6=-1
Ответ:-1;-2;3
1 votes
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brow1
огроменное спасибо!!!
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Answers & Comments
|4(2y+3z-6)-7y-5z=-5
|2(2y+3z-6)-y+2z=6
|8y+12z-24-7y-5z=-5
|4y+6z-12-y+2z=6
|y+7z=19
|3y+8z=18
|y=19-7z
|3(19-7z)+8z=18
57-21z+8z=18
-13z=-39
z=3
y=19-21=-2
x=-4+9-6=-1
Ответ:-1;-2;3