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Home > PC > Chapter 8 > Lesson 8.2.3 > Problem 8-113

8-113.
  1. Solve each equation for the exact value of x. Homework Help ✎
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    1. ln x = 3

    2. ex = 200

    3. 5 ln(x + 1) = 20

    4. e(x+2) + 20 = 100

elnx = e3

x = e3

lnex = ln200

x = ln200

ln(x+1) = 4
eln(x+1) = e4

e(x+2) = 80
lne(x+2) = ln80