How do you solve log 5x=log(2x+9)?
1 Answer
Jul 16, 2016
x = 3
Explanation:
Using the
color(blue)"law of logarithms"
color(red)(|bar(ul(color(white)(a/a)color(black)(logx=logyrArrx=y)color(white)(a/a)|)))
rArr5x=2x+9rArr3x=9rArrx=3