A) n= 7/k
B) k= a-6
C) y=7-z
D) c= (d-a)/b
E) k= (x-1)/2
F) n= 2k/7= 5/7
a) k=7n
7n=k / :7
n=1/7k
b) a=k+6
k+6=a
k=a-6
c) z=7-y
7-y=z
-y=z-7 / :(-1)
y=-z+7
d) d=a+bc
a+bc=d
bc=d-a / :b
c=d-a/b
e)x=2k+1
2k+1=x
2k=x-1 / :2
k=x-1/2
f)2k=7n+5
7n+5=2k
7n=2k-5 / :7
n=2k-5/7
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A) n= 7/k
B) k= a-6
C) y=7-z
D) c= (d-a)/b
E) k= (x-1)/2
F) n= 2k/7= 5/7
a) k=7n
7n=k / :7
n=1/7k
b) a=k+6
k+6=a
k=a-6
c) z=7-y
7-y=z
-y=z-7 / :(-1)
y=-z+7
d) d=a+bc
a+bc=d
bc=d-a / :b
c=d-a/b
e)x=2k+1
2k+1=x
2k=x-1 / :2
k=x-1/2
f)2k=7n+5
7n+5=2k
7n=2k-5 / :7
n=2k-5/7