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jason2351
10.09.2020 •
Mathematics
3x+y+z=4
2x+2y+3z=3
X+3y+2z=5
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Ответ:
2) 2x+2y+3z=3
3) x+3y+2z = 5
1)*2 6x + 2y + 2z = 8
2) 2x + 2y +3z = 3
-
4x - z = 5
2)*3 6x + 6y + 9z = 9
3)*2 2x + 6y + 4z = 10
-
4x+5z =-1
4x+5z = -1
4x - z =5
-
6z = -6
z = -1
If z=-1,
4x -(-1) =5
4x = 5-1
x = 4/4
x=1
3x+y+z=4
3(1)+y+(-1)=4
3+y-1=4
y=2
So z=-1, x=1, y=2
Ответ:
I THINK it is wait how do i not answer
Step-by-step explanation:
IDK HOW TO STOP sorry idk how to stop answering i was on different question