Wyznacz C ze wzorów
a) 2/c= 2/4+b/4
b) 1/a-3/2c=2/c
a) 2/c= 2/4+b/4 /*c
2 = 2c/4 + bc/4 /*4
8 = 2c + bc
c(2 + b) = 8
c = 8/(2+b)
b) 1/a-3/2c=2/c /*c
c/a - 3/2 = 2 /*a
c - 3a/2 = 2a
c = 2a + 3a/2
c = 7a/2
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a) 2/c= 2/4+b/4 /*c
2 = 2c/4 + bc/4 /*4
8 = 2c + bc
c(2 + b) = 8
c = 8/(2+b)
b) 1/a-3/2c=2/c /*c
c/a - 3/2 = 2 /*a
c - 3a/2 = 2a
c = 2a + 3a/2
c = 7a/2