yasminriveramendez16 yasminriveramendez16
  • 02-11-2020
  • Mathematics
contestada

Five times a number is the same as two times a number added 21

Respuesta :

horses96
horses96 horses96
  • 02-11-2020

Answer:

Our number is 7.

Step-by-step explanation:

We also know that it's 2x + 21 = 5x.

Now we solve.

21 = 5x - 2x

21 = 3x

7 = x

Answer Link

Otras preguntas

When conducting a research study, sociologists follow the ___________________, which refers to a structured way to find answers to questions about the world?
The length of human pregnancies from conception to birth varies according to a distribution that is approximately normal with a mean of 266 days and a standard
Did the soviet union sent the first person into space
Who were the almoravids?
Can you answer these questions for me plz I need them before Monday ty
Purple petal color in pea plants is dominant to white petal color. Two heterozygous pea plants are crossed. What ratio of the offspring will have white petals?
The ________________________ was a rich and powerful group of romans who helped run the city.
True or false aesthetics is the study of the nature of art
Any idea how to do this
Write a polynomial function of f of least degree with rational coefficients a leading coefficient of 1 and the given zeros -5 2i