If the equation x + y = 10 corresponds to the equation 2x + 2y = 20, which of the following correspo | EduGoog.com

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If the equation x + y = 10 corresponds to the equation 2x + 2y = 20, which of the following corresponds to x - y = 4?

A. 2x - 2y = 8

B. 3x - 3y = 12

C. 4x - 4y = 16

D. 5x - 5y = 20

E. None of the above

Answer: A. 2x - 2y = 8

Both equations are multiples of the original equation, preserving the relationship.

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