Odpowiedź :
Odpowiedź:
A) 35 +7*z=35 -z
7z+z = 35 -35
8z = 0. :8
z = 0
B) y'2 -6-3*y = y*(y+5)-5*y+4
y'2 - 6 -3y = y'2 +5y-5y + 4
y'2 - 3y -y'2 = 4+6
-3y = 10 : (-3)
y = -10/3
y = - 3 1/3
Odpowiedź:
A) 35 +7*z=35 -z
7z+z = 35 -35
8z = 0. :8
z = 0
B) y'2 -6-3*y = y*(y+5)-5*y+4
y'2 - 6 -3y = y'2 +5y-5y + 4
y'2 - 3y -y'2 = 4+6
-3y = 10 : (-3)
y = -10/3
y = - 3 1/3