Respuesta :

S1NGH

Answer:

3.1x + 2.2x - 2.4y - 1.4y + 1.9 - 3.4

Step-by-step explanation:

3.1 x - 2.4 y + 1.9 + 2.2x - 1.4y - 3.4

→ Collect all the like terms

3.1x + 2.2x - 2.4y - 1.4y + 1.9 - 3.4