How do you solve log 5x=log(2x+9)?

1 Answer
Jim G.
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

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