oblicz x : log(x+2)7=1 , log(x+1)1/2=-1 , log2x1000=3, oblicz x : log6 x=2log6 4- log6 18

def logarytmu loga b=c --> a^c=b  log(x+2)7=1 , (x+2)^1=7 x+2=7 x=5 log(x+1)1/2=-1 , (x+1)^-1=1/2 1/(x+1)=1/2 x+1=2 x=1 log2x1000=3, (2x)^3=1000 8x^3=1000 x^3=125 x=5 log6 x=2log6 4- log6 18 log6 x=log6 4²-log6 18 log6 x = log6 (16/18) x=16/18=8/9