Respuesta :

Answer:

4

Step-by-step explanation:

4x+5+3x-2=31

7x+3=31

7x=28

x=4

Answer:

x = 4

Step-by-step explanation:

[tex]4x + 5 + 3x - 2 = 31 \\ 7x + 3 = 31 \\ 7x = 28 \\ x = 4[/tex]