Question

Which of the following equations has infinitely many real solutions?

A. 2(x - 7) = 2x + 14
B. 2(x - 7) = 2x – 14
C. 2x + 1 = 2x - 1
D. 2x + 1 = x - 1

Answer 1

B - 2(x -7) = 2x - 14

Explanation:

If you expand this equation, you get 2x-14 = 2x-14. This means that the equation will be true for any x, and has infinitely many solutions

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