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hOmpeRG
@hOmpeRG
August 2022
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Dicur3x
-3x-2y+z=-3
2y-7z+x=9
3x-z+8y=9
z=3x+2y-3
x=7z-2y+9 x=7(3x+2y-3)-2y+9 x=21x+14y-21-2y+9 20x=-14y+21+2y-9 20x=-12y+12
3x-(3x+2y-3)+8y=9 -2y+3+8y=9 6y=6 y=1
z=3x+2-3 z=3x-1
20x=-12+12 20x=0 x=0
y=1
z=0-1 z=-1
Ответ на №1 - x=0 y=1 z=-1
4x-y=9
3y-x=-5
y=4x-9
3(4x-9)-x=-5 12x-27-x=-5 11x=22 x=2
y=8-9=-1
x=2
Ответ на №2 - x=2, y=-1
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Answers & Comments
2y-7z+x=9
3x-z+8y=9
z=3x+2y-3
x=7z-2y+9 x=7(3x+2y-3)-2y+9 x=21x+14y-21-2y+9 20x=-14y+21+2y-9 20x=-12y+12
3x-(3x+2y-3)+8y=9 -2y+3+8y=9 6y=6 y=1
z=3x+2-3 z=3x-1
20x=-12+12 20x=0 x=0
y=1
z=0-1 z=-1
Ответ на №1 - x=0 y=1 z=-1
4x-y=9
3y-x=-5
y=4x-9
3(4x-9)-x=-5 12x-27-x=-5 11x=22 x=2
y=8-9=-1
x=2
Ответ на №2 - x=2, y=-1