camilajune6969 camilajune6969
  • 04-09-2020
  • Mathematics
contestada

If y = 3x and 2x + 4y = 12, then 2x + 4(3x) = 12

Respuesta :

cvinta cvinta
  • 08-09-2020

Answer:

x=6/7 and y=18/7

Step-by-step explanation:

If y = 3x and 2x + 4y = 12,

then substitute the value of y with 3x

2x + 4(3x) = 12

2x+12x=12

14x=12

x=12/14=6/7

y=3x=3*(6/7)=18/7

Answer Link

Otras preguntas

How does burning fossil fuels affect the atmosphere in terms of the nitrogen cycle?
You can download songs online for $0.99 each. Write an equation relating the total cost (c) to the number of songs (s) you download. Define your variabl
Order from least to greatest 0.0015 0.0150 0.1050 0.0050
Twain: What does it say about the town that a steamboat causes so much excitement?
how do you pay taxes and is it hard ( just curious)
Doug is analyzing the daily profits from the past month for three of his restaurant franchises. He has calculated the mean and standard deviation of the data, i
Which best explains why a thick tropical forest filled with large plants typically has a lot of water vapor in the air The plants undergo transportation The p
please help me fill in the missing number ​
name two ways you might see decimals used outside school
briefly explain 3 ways in which multinational corporations are developed​