Z podanych wzorów wyznacz x. a)P=abx b)R=ax/b c)S=a/bx

P = abx / :ab P/ab = x R=ax/b /xb rb = ax/:a rb/a = x S=a/bx / xbx Sbx = a /:Sb x = a/Sb

x=P/ab x=Rb/a x=a/Sb

1. P = abx | ab P/ab = x 2. R = ax/b | *b Rb = ax| :a x = Rb/a 3. S = a/bx | *b Sb = a/x | : a/1 a/sb = x