Respuesta :
You can only add/subtract LIKE TERMS ( the exact same variable part )
Think of adding apples and oranges ...
8g-4g + 9h-5h I grouped them like this so you can see the LIKE TERMS.
= 4g + 4h
Get it?
Think of adding apples and oranges ...
8g-4g + 9h-5h I grouped them like this so you can see the LIKE TERMS.
= 4g + 4h
Get it?