What is the log 5x=log (2x+9)

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asked Mar 24, 2016 7.3k views

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Lives · Answer 1 · 2016-03-30T08:31:10+0000

5x = 2x + 9, where 5x > 0 and 2x + 9 > 0 ;
Then, 3x = 9 ;
Then, x = 3 ;
Verify : 5 × 3 = 2 × 3 + 9 ;correct !
5 × 3 > 0 ; correct !
2 × 3 + 9 > 0; correct !

What is the log 5x=log (2x+9)

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