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

What is the value of x? Round your answer to the nearest tenth if necessary. Right triangle whose two legs measure six and four, and whose hypotenu

Change 2 2/5 to an improper fraction

By the 1970s, the Chicano movement a. has inspired a Chicano Renaissance. b. was loosing momentum. c. led to the creation of a Chicano political party. d. y

The city of Harappa was located along a tributary of the __________ River. a. Nile b. Indus c. Tigris d. Euphrates

what times what equals -4.75 but added together equals -9

What was the name given to the trade system where finished manufactured goods were sent to Africa in exchange for slaves who were sent to the Americas and excha

Stress hormones tend to increase muscle tension, heart rate, and Question 1 options: thermal hydration. blood pressure. excessive dreaming. obsessive thinking.

George Washington established the two-term limit for presidency. True Or False

Workers and businesses together benefit from inflation when

Find the percent of each number