Respuesta :

Let the number be x.

Four times a number is 21 more than the number
⇒ 4x = 21 + x

Solve x:
4x = 21 + x

Subtract x from both sides:
3x = 21

Divide both sides by 3:
x = 7

Answer: The number is 7.
ericsears219

Answer:

i want you to be my daddy

Otras preguntas