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

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

Yolanda owns 4 rabbits. She expects the number of rabbits to double every year.a) after how many years will she have 64 rabbits?b) write and equation to model t

copy this figure onto grid paper. draw line to divide the figure into 4 congruent polygons. how do you know the ploygons are congruent

a piece of wood is 180cm long, Tom cuts it into three pieces in the ratio 2:3:4 Work out the length of the longest piece

Explain how engineers and scientists may work together to produce a protein in the lab.

how do I solve this proportion?

How do you do this algebra question

NaOH + H2SO4 =NaOH + HNO3 =Cu(OH)2 + HCl = H2SO4 = HNO3 =

whats Henry Hudson interesting facts?

What is 2.333333 in fraction form

Work out the number that is halfway between 27 times 38 and 33 times 38.Show your working out aswell.