linglee92 linglee92

17-08-2020
Mathematics

contestada

Using the cross multiplication method, which of the following is the solution to 21/(x+4) = 7/(x+2)?

Respuesta :

Loulakar Loulakar

17-08-2020

Answer:

Step-by-step explanation:

Hello !

Using the cross multiplication method, which of the following is the solution to 21/(x+4) = 7/(x+2)?

21(x + 2) = 7(x + 4)

21x + 42 = 7x + 28

21x - 7x = 28 - 42

14x = -14

x = -14/14

x = -1

Answer Link

dimovskiivan036 dimovskiivan036

17-08-2020

Answer:

3/(x+2)= x+1

Step-by-step explanation:

21/7=3

x/x= x

4/2=2

Answer Link

Otras preguntas

The probability of snow is 70%. What are the odds of it not snowing

With two straight cuts, we can divide a flat pancake into four pieces: What is the fewest number of straight cuts that will divide a flat pancake into 16 pieces

What criticism did henry demarest lloyd leverage against rockefeller's standard oil in wealth against commonwealth (1892)?

In pavlov's experiments, the taste of food triggered salivation in a dog. the food in the dog's mouth was the

When in the Course of human events, it becomes necessary for one people to dissolve the political bands which have connected them with another, and to assume am

Which One Is The Answer.??

Franklin Roosevelt’s New Deal reforms sparked an ongoing national debate on what?

Christianity is a ____ religion.

we, therefore, the representatives of the United States of America, in general Congress, assembled, appealing to the Supreme judge of the world for the rectitud

Organizational objectives should do all of the followinjg except