littlebrain3513 littlebrain3513
  • 23-08-2017
  • Mathematics
contestada

Five times a number is the same as 30 more than 8 times the number. find the number.if n is "the number," which equation could be used to solve for the number?

Respuesta :

Аноним Аноним
  • 24-08-2017
the number—n:
5n = 8n + 30
3n = - 30
n = - 10

Answer: - 10 is the number.

Proof:
5(- 10) = 8(- 10) + 30
- 50 = - 80 + 30
- 50 = - 50

Answer Link

Otras preguntas

Which shows the graph of the solution set of 3y – 2x > –18?
What is the point-slope equation of a line with slope -5 that contains the point (6,3)
How do adaptation affect a species?​
What is the equation of the line best fit for the following data? Round the slope and y-intercept of the line to three decimal places. X=4,7,10,12,13 y= 5,7,12,
Suppose y varies directly with x. Write a direct variation equation that relates x and y. Then find the value of y when x=12 Y=7 when x=3
What is magnetic flux? Explain Faraday's law of Induction.
Maria found the least common multiple of 6 and 15. Her work is shown below. Multiples of 6: 6, 12, 18, 24, 30, 36, 42, 48, 54, 60, . . . Multiples of 15: 15, 30
Sean has placed a job ad and is now interviewing potential employees. Which of the following questions is he legally allowed to ask during the interview? Do you
How is acceleration calculated?a. initial velocity - final velocity / timeb. initial velocity + final velocity / timec. final velocity - initial velocity / time
My parents are picking me up from the airport