Respuesta :

snfattymah

Answer:

= 12x + -15/2

Step-by-step explanation:

4x + 1/4 + 8x + -31/4

(4x+8x) + (1/4 + -31/4)

=12x+ -15/2

Answer:

12x - 15/2

Step-by-step explanation:

(4x + 1/4) + (8x - 31/4)

4x + 1/4 + 8x - 31/4

4x + 8x

12x + 1/4 - 31/4

1/4 - 31/4

12x -15/2