Answer:
6
Step-by-step explanation:
=> 2x-2y
Taking 2 common
=> 2(x-y)
Given that x-y = 3
=> 2(3)
=> 6
1
[tex] - y = 3x \\ \frac{ - y}{ - 1} = \frac{3 - x}{ - 1} \\ y = \frac{3 - x}{1 } \\ y = x - 3[/tex]
2
[tex]2x - 2y \\ factor \: out \: 2 \\ 2(x - y) \\ [/tex]
