Respuesta :

3x+6+4x-20 (distributive property)
3x+4x+6-20 (grouping property
7x-14 (addition property)

Answer:

7x -14

Step-by-step explanation:

3(x + 2) + 4(x - 5)

3x + 6 + 4x - 20

3x + 4x + 6 - 20

7x -14


Hope this helps you!!! :)