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Which of these equations has the same solution as Equation 1? Explain your reasoning.

Equation 1: X - 3 - 2 - 4x
A. 2x - 6 - 4 - 8x
B. X - 5 = -4x
C. (2 - 2x) = x - 3
D. -3 - 2 - 5 = 8

1 Answer

4 votes

Final answer:

Option C is the correct answer as its simplified form (-3x = -5) is equivalent to the simplified version of Equation 1 (-3x - 5).

Step-by-step explanation:

The question asks which of the given equations has the same solution as Equation 1: X - 3 - 2 - 4x. Let's simplify Equation 1 by combining like terms:

X - 3 - 2 - 4x = -3x - 5.

Now we'll examine each option:

  • A. 2x - 6 - 4 - 8x = -6x - 10, which is not equivalent to -3x - 5.
  • B. X - 5 = -4x, adding 4x to both sides gives 5x - 5, which is still not equivalent to -3x - 5.
  • C. (2 - 2x) = x - 3, rearranging this gives -3x + 2 = -3, subtracting 2 from both sides gives -3x = -5, which is equivalent to -3x - 5. So this is the correct answer.
  • D. -3 - 2 - 5 = 8, does not contain an x term, so it cannot be equivalent to -3x - 5.

Option C is the correct answer because, after simplification and rearrangement, it is equivalent to the simplified version of Equation 1.

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