Log11(7x+1)=log11(5-3x)

Question

Log11(7x+1)=log11(5-3x)

Answer 1

1) 2х+1=11 квадрат 2x=121-1 2x=120 x=120/2=60 2) x+3=5x-2 x-5x=-3-2 -4x=-5 x=-5/-4=1,25 3) 3x-2=4 3x=2+4 3x=6 x=6/3=2