Respuesta :

joelleelchami

Answer:

2x + 8

Step-by-step explanation:

Sum means that it's an addition.

Twice a number is 2 times an unknown number which is x.

2 times x = 2x
2x + 8

X represents “a number” so twice of q number is 2x. Plus eight represents “and eight”, we add because it says “the sum”.