Odpowiedzi

2010-03-27T19:05:05+01:00
A)
k = 7n
7n = k
n = k/7

b)
a = k+6
k+6 = a
k = a-6

c)
z = 7-y
7-y = z
-y = z/7
y = -z/7

d)
d = a+bc
a+bc = d
bc = d-a
c = d-a / b

e)
x = 2k+1
2k+1 = x
2k = x-1
k = x- 1/2

f)
2k = 7n+5
7n+5 = 2k
7n = 2k-5
n = 2k - 5/7

1 5 1
2010-03-27T19:05:49+01:00
A) n=k/7
b)k=a-6
c)-y=z-7
y=-z+7
d)bc=d-a
d-a
c=-----
b
e)2k=x-1
x-1
k=---------
2
f)7n=2k-5
2k-5
n=------------
7
2010-03-27T19:08:44+01:00
A) k=7n / :7
n=k/7
b)a=k+6
k=a-6
c)z=7-y
-y=z-7/: -1
y=z+7
d) d=a +bc
bc=d-a/: b
c= d-a/b
e)x=2k+1
2k=x-1 /: 2
k=x-1/2
f) 2k=7n+5
7n=2k-5/: 7
n=2k-5/7