wyznacz c ze wzorów: b) 2/c = a/4 + b/4 c) 1/a-3/2c = 2/c
2/c=a/4+b/4 /*4
8/c=a+b /*c
8=(a+b)*c /:(a+b)
c=8/a+b
1/a-3/2c=2/c
1/a=2/c+3/2c /*2c
2c/a=7 /*a
2c=7a /:2
c=7a/2
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2/c=a/4+b/4 /*4
8/c=a+b /*c
8=(a+b)*c /:(a+b)
c=8/a+b
1/a-3/2c=2/c
1/a=2/c+3/2c /*2c
2c/a=7 /*a
2c=7a /:2
c=7a/2