Respuesta :

y+3 = 2x
y = 2x-3 

y+4 = 3x
y = 3x-4

therefore, 2x-3 = 3x-4
answer is B
y=2x-3 by arranging 
and y= 3x-4 
so it shows that y= 2x-3 and 3x-4 so these both values are same we supposed because both are equal to y. so option b is correct