Respuesta :

Answer:

Step-by-step explanation:

-8+4(3m+9)        m=3

-8+4(3(3)+9)

-8+4(9+9)

-8+4(18)

-8+72

64

Answer=64

Answer:

64

Step-by-step explanation:

-8 + 4(3m + 9)

m = 3

Plug the value into the expression

-8 + 4(3 x 3 + 9)

-8 + 4(9 + 9)

-8 + 4(18)

-8 + 4 x 18

-8 + 72

64