Respuesta :

5.3x + 8.2y + 13.3y + 4.1x
9.4x + 21.3y
1. remove parenthesis
2. combine like terms:
5.3x+4.1x = 9.4x
13.3y+8.2y = 21.5y
3. the simplified expression is 9.4x+21.5y