Respuesta :

twice the sum of a number and three

twice implies a 2

sum means you're adding

the sum is of a number let's say "n" and the number 3, the sum is n+3, twice that is 2(n+3)

Answer:

2(x+3)

Step-by-step explanation:

Phrase: "twice the sum of a number and three"

Expression: To change the phrase into algebraic expression using variable.

"twice the sum of a number and three"

Let the number be x

Phrase: "sum of a number and three"

[tex]\Rightarrow x+3[/tex]

Phrase: twice the (x+3)

[tex]\Rightarrow 2(x+3)[/tex]

"twice the sum of a number and three" = 2(x+3)

Hence, The expression is 2(x+3)