2. 外语
  3. Solve |4x- 6｜ = 10 for x.

Solve |4x- 6｜ = 10 for x.

admin2013-02-19  2
问题 Solve |4x- 6｜ = 10 for x.
选项
答案-1
解析 To solve this problem, set up two equations because x has two values:
4x - 6 = 10, and 4x - 6 = -10.
Solve both for x.
4x = 16, and 4x = -4
x = 4, and x = - 1
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