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2007-11-24 12:19:56 · 5 answers · asked by Shepard S 1 in Science & Mathematics ➔ Mathematics
9e^x -8 = 17
9e^x = 25
e^x=25/9
ln(e^x)=ln(25/9)
xln(e)=ln(25/9) but ln(e)=1
x=ln(25/9)
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2007-11-24 12:31:17 · answer #1 · answered by Anonymous · 0⤊ 0⤋
9e^x -- 8 = 17
=> 9e^x = 25
=> e^x = 5^2/3^2
=> x = 2(log5 -- log3), natural logarithms
2007-11-24 20:26:18 · answer #2 · answered by sv 7 · 0⤊ 0⤋
9e^x-8=17
9e^x=25
e^x= (25/9)
ln(e^x) = ln(25/9)
x = ln(25/9)
x = 1.02165
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2007-11-24 20:28:54 · answer #3 · answered by soccerman153 1 · 0⤊ 0⤋
9e^x=25
e^x=25/9
x=ln(25/9)=1.02
2007-11-24 20:28:11 · answer #4 · answered by norman 7 · 0⤊ 0⤋
Can you use graphing?
If not:
add 8 to both sides
9e^x = 25
divide both sides by 9e
x = 7.550782857
round accordingly P:
best if i helped :)
2007-11-24 20:24:07 · answer #5 · answered by Daemon 3 · 0⤊ 0⤋