Rozwiąż rownanie:
log(3x - 9) - log(30 - x) = 1
3x/9 = 10.3x= 90.3x/3 = 90/3x =30
myśle ze pomogłam :)
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3x/9 = 10.
3x= 90.
3x/3 = 90/3
x =30
myśle ze pomogłam :)