Answer:
3x+7
Step-by-step explanation:
Three times a number, let x be the number and 7 so plus 7
Answer:
A
Step-by-step explanation:
Let that number be [tex]x[/tex].
The sum of [tex]3[/tex] times [tex]x[/tex] and [tex]7[/tex].
[tex]3 \times x +7[/tex]
[tex]3x+7[/tex]
