SOLUTION: Find the solution of the equation: 5Ln(1-x)= 8

Question 192193: Find the solution of the equation: 5Ln(1-x)= 8
Found 2 solutions by nerdybill, edjones:
Answer by nerdybill(7384) (Show Source): You can put this solution on YOUR website!
5Ln(1-x)= 8
Ln(1-x)^5= 8
(1-x)^5= e^8
1-x = fifthRoot(e^8)
1 = fifthRoot(e^8)+x
1 - fifthRoot(e^8) = x
1 - fifthRoot(2980.958) = x
1 - 4.953 = x
-3.953 = x

Answer by edjones(8007) (Show Source): You can put this solution on YOUR website!
5Ln(1-x)=8
ln(1-x)=8/5
e^[ln(1-x)]=e^(8/5)
1-x=e^(8/5)
-x=e^(8/5)-1
x=1-e^(8/5)
x=-3.9530...
.
Ed

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