Proszę pomóżcie !!!! na jutro tylko c i d

Odpowiedź:
a) 3 - p
--> p = 0
3 - 0 = 3
--> p = 17
3 - 17 = - 14
--> p = - 4
3 - (-4) = 3 + 4 = 7
b) -2p + 1
--> p = 4
-2*4 + 1 = - 8 + 1 = - 7
--> p=0
-2*0 + 1 = 0+1 = 1
--> p = - 3
-2*(-3) + 1 = 6 + 1 = 7
c)
''''' p - 1
-----------
''''2
--> p = 13
13 - 1
-------- = 12/2 = 6
'''2
---> p = 6
6 - 1
------- = 5/2 = 2,5
" 2
----> p = - 6
- 6 - 1
---------- = - 7/2 = - 3,5
""" 2
d)
2(1 - 3p)
------------
"""3
--> p = 0
2(1 - 3*0)
--------------- =
"""" 3
""""2* (1 -0)
= --------------- =
""""" 3
"""2*1
= ------ = 2/3
"""3
---> p = 1
2(1 - 3*1)
--------------- =
"""" 3
""""2* (1 -3)
= --------------- =
""""" 3
"""2*(-2)
= ------ = -4/3 = - 1 i 1/3
"""3
p = - 1
2(1 - 3*(-1))
--------------- =
"""" 3
""""2* (1 -(-3))
= --------------- =
""""" 3
""""2* (1 + 3)
= --------------- =
""""" 3
"""2*4
= ------ = 8/3 = 2 i 2/3
"""3
Szczegółowe wyjaśnienie: