Rozwiąż układy równań.
Oczywiście dla poprawnej odp Naj : )
a)
b)
x = 0-y
x+y+z = 10
y = 0-z
0-y+0-z+z = 10
-y = 10 /:(-1)
y = -10
-10 = 0-z
x = 0-(-10)
-10-0 = -z
x = 10
-z = -10 /:(-1)
z = 10
Spr.
x+y = 0
y+z = 0
10+(-10) = 0
10+(-10)+10 = 10
(-10)+10 = 0
10-10 = 0
10-10+10 = 10
0 = 0
0 = 010 = 10
0 = 0 OK.
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x = 0-y
x+y+z = 10
y = 0-z
x = 0-y
0-y+0-z+z = 10
y = 0-z
x = 0-y
-y = 10 /:(-1)
y = 0-z
x = 0-y
y = -10
-10 = 0-z
x = 0-(-10)
y = -10
-10-0 = -z
x = 10
y = -10
-z = -10 /:(-1)
x = 10
y = -10
z = 10
Spr.
x+y = 0
x+y+z = 10
y+z = 0
10+(-10) = 0
10+(-10)+10 = 10
(-10)+10 = 0
10-10 = 0
10-10+10 = 10
0 = 0
0 = 010 = 10
0 = 0 OK.