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Home > PC > Chapter 4 > Lesson 4.2.2 > Problem 4-86

4-86.
  1. Solve each equation. Homework Help ✎

    1. log3(x + 2) − log3 x = 2

    2. 50(1.25)x−3 = 625

Rewrite using one log:

Undo.

Solve for x.

1. Divide both sides by 50.
2. Take the log of both sides bring the exponent down.
3. Solve for x.