2. 职称英语
  3. If 5x + 32 = 4 - 2x, what is the value of x ?A、-4B、-3C、4D、7E、12 ASolving th

If 5x + 32 = 4 - 2x, what is the value of x ?A、-4B、-3C、4D、7E、12 ASolving th

游客2024-01-12  49
问题 If 5x + 32 = 4 - 2x, what is the value of x ?
选项 A、-4
B、-3
C、4
D、7
E、12
答案 A
解析 Solving the equation for x, you get 7x = -28, and so x = -4.
The correct answer is Choice A, -4.
This explanation uses the following strategy.
Strategy 5: Simplify an Arithmetic or Algebraic Representation
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