Z każdego z poniższych wzorów wyznacz K :
d=k/k-1
e= k-1/k+1
f= k+1/k + a
zad 2
K=7n wyznacz n
a= k+6 wyznacz K
z=7-y wyznacz y
d=a+bc wyznacz c
x=2k + 1 wyznacz k
2k=7n+5 wyznacz n
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K = 7n /7
n = k/7
a = k+6 /-6
k = a - 6
z = 7-y /+y
z + y = 7 / :z
y = 7/z
x = 2k +1 / :x
2k +1 /x /:2
k =1+x / 2