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d) d=a+bc; c
e) x=2k+1; k
f) 2k=7n+5; n
c) z=7-y; y
d=a+bc
d-a=bc/:b
c=(d-a)/b
x=2k+1
2k=x-1/:2
k=(x-1)/2
2k=7n+5
7n=2k-5/:7
n=(2k-5)/7
z=7-y
y=7-z
d)d=a+bc d-a=bc
c=d-a/b
e)x=2K+1
2K=x-1
K=x-1/2
f)2k=7n+5
7n=2k-5
n=2k-5/7
c)z-7-y
-y=z-7
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d=a+bc
d-a=bc/:b
c=(d-a)/b
x=2k+1
2k=x-1/:2
k=(x-1)/2
2k=7n+5
7n=2k-5/:7
n=(2k-5)/7
z=7-y
y=7-z
d)d=a+bc
d-a=bc
c=d-a/b
e)x=2K+1
2K=x-1
K=x-1/2
f)2k=7n+5
7n=2k-5
n=2k-5/7
c)z-7-y
-y=z-7
y=7-z