ln 3 + ln(x-4)=ln(x+2)?

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2006-11-29 13:01:50 · 4 answers · asked by celticevening 1 in Science & Mathematics ➔ Mathematics

ln(3) + ln(x - 4) = ln(x + 2)
ln(3(x - 4)) = ln(x + 2)
3x - 12 = x + 2
2x = 14
x = 7

2006-11-29 13:21:45 · answer #1 · answered by Sherman81 6 · 0⤊ 0⤋

Ln 3 + ln (x-4) = ln (3(x-4)) = ln (3x - 12) = ln(x+2)

so 3x-12 = x + 2

2006-11-29 13:05:00 · answer #2 · answered by hayharbr 7 · 0⤊ 0⤋

ln(3*(x-4))=ln(x+2)

3(x-4)=x+2
3x - x = 12+2

2x= 14
x=7

2006-11-29 13:03:48 · answer #3 · answered by Rajkiran 3 · 0⤊ 0⤋

aye, its 7

2006-11-29 13:04:52 · answer #4 · answered by nobleisback 1 · 0⤊ 0⤋