mirandacorbin1219
mirandacorbin1219 mirandacorbin1219
  • 02-09-2021
  • Mathematics
contestada

7. Seven times a number is equal to 12 more than 3 times the number.

Respuesta :

sah4519985
sah4519985 sah4519985
  • 02-09-2021

Answer:

7n = 12+ 3n

Step-by-step explanation:

The first thing to do is subtract 3n from 7n. This would get you 4n = 12. 4 times 3 equals 12, so n equals 3.

To check your answer. 21 = 12+9. sure enough it matches our answer

Answer Link

Otras preguntas

What is the diameter of a circle whose circumference measures 86 26/35? Use pi= 22/7
A tabletop in the shape of a trapezoid has an area of 6,550 square centimeters. Its longer base measures 115 centimeters and the shorter base is 85 centimeters.
On Being Brought from Africa to America by Phillis Wheatley 'Twas mercy brought me from my Pagan land, Taught my benighted soul to understand That there's a God
what is the most common type of vegetation throughout Latin America
why is it critical to your cells to be near capillaries
PLEASE HELP I GIVE THANKS
PLEASE HELP I GIVE THANKS
what might be learned from an incorrect hypothesis
Aiden wrote a riddle: Five less than 1/5 times a number is same as the sum of the number and 1/3. Find the number
Did feudalism create a stable form of government?