magmagpie22
magmagpie22 magmagpie22
  • 03-12-2018
  • Mathematics
contestada

seven times a number is equal to 12 more that 3 times the number. Find the number

Respuesta :

tonytlan06
tonytlan06 tonytlan06
  • 03-12-2018

Let the number be x.

7x = 3x + 12

Subtract both sides by 3x:

4x = 12

Divide both sides by 4:

x = 3

Answer Link
alihanhaidov alihanhaidov
  • 03-12-2018

Answer:

7n=12>3n

4n=12

n=3

Step-by-step explanation:


Answer Link

Otras preguntas

How were missions in Texas a success?
Nick opens a savings account with $50. Each week after, he deposits $15. He wants to save $500. Write and solve equation to find the number of weeks it will tak
Choose the best action to take to contain a fire. A. Keep fire doors open so the fire can "breathe." B. Close the doors to all patient rooms. c. Notify your sup
Which word has almost the same meaning as the word generations?
Please help, having some trouble!
Please answer this for me, I am lost.
List ten ways to get prepared for examinations. List the best reading tips​
explain nutrition in biology​
Describe two reasons why France and Spain would join together against a common enemy? 
Given f(x)= 3x – 2, find f(-5).