Respuesta :

mooostache00
Hello!
a+x/ - a - x = 3 - x
-(-a-x) = 3 (a - x) - x( a - x)
x = 4, x = - a
x = 4
This was a bit confusing but hope it helps!
mirandaccc
So the answer is x=4
Ver imagen mirandaccc

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