2. 外语
  3. 3(x - 4)= 5x -Solve for x.

3(x - 4)= 5x -Solve for x.

admin2013-02-19  31
问题 3(x - 4)= 5x -Solve for x.
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答案4
解析 To solve this problem, first do the multiplication on the left side of the equation to get 3x - 12 = 5x - 20. Next, put the like terms together. To do this, subtract 3x from both sides, and add 20 to both sides to get 8 = 2x. Divide both sides by 2 to get x = 4.
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