Respuesta :
126 - x = 48
add x to both sides
126 = x + 48
subtract 48 from both sides.
78 = x
add x to both sides
126 = x + 48
subtract 48 from both sides.
78 = x
To get to 48 from 126, all you have to do is subtract 126 by 78, which will give you 48.
