(log3)(log3+logx)=(log4)(log4+logy)and(logx)(log4)=(logy)(log3)
logy=log4log3logx
(log3)(log3+logx)=(log4)(log4+log4log3logx)
(log3−(log4)2log3)logx=(log4)2−(log3)2
logxlog3=−1
logx=−log3=log(1/3), so that x=1/3.
10-4(2x+5)=6y-13
4y-63=5(4x-2y)+2
4y-63-20x+10y-2=0
14y-65-20x=0
x=0.7y-3.25
3-8x-6y=0
3-8*(0.7y-3.25)-6y=0
3-5.6y+26-6y=0
29-11.6y=0
y=29/11.6y=2.пятых
14*2.5-65-20x=0
-30-20x=0
x=-30/20
x=-1.5
(log3)(log3+logx)=(log4)(log4+logy)and(logx)(log4)=(logy)(log3)
logy=log4log3logx
(log3)(log3+logx)=(log4)(log4+log4log3logx)
(log3−(log4)2log3)logx=(log4)2−(log3)2
logxlog3=−1
logx=−log3=log(1/3), so that x=1/3.