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)