wyznacz c ze wzorów a) 2(c+1)=3ab) 2/c=a/4+b/4c) 1/a-3/2c=2/cPROSZE O ODP.DAJE NAJ
a) 2(c+1)=3a
2c+2=3a 2c=3a-2/:2 c=1,5a-1b) 2:c=a:4+b:4 2:c=(a+b):4 2 razy 4=(a+b) razy c/:(a+b)
c=8:(a+b)c) 1:a-3:2c=2:c 1:a=2:c+3:2c 1:a=4:2c+3:2c 1:a=7:2c 2c=7a/:2 c=3,5a
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a) 2(c+1)=3a
2c+2=3a
2c=3a-2/:2
c=1,5a-1
b) 2:c=a:4+b:4
2:c=(a+b):4
2 razy 4=(a+b) razy c/:(a+b)
c=8:(a+b)
c) 1:a-3:2c=2:c
1:a=2:c+3:2c
1:a=4:2c+3:2c
1:a=7:2c
2c=7a/:2
c=3,5a