Respuesta :

moony29
if x+3=y then 2x+6=4y

2x + 6 = 2y

using distributive law,

a(b + c) = ab + ac

Therefore,

x + 3 = y

2x + 6 = 2(x + 3)

Recall

y = x + 3

Hence,

2x + 6 = 2y

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