arpadilla1324 arpadilla1324
  • 14-11-2020
  • Mathematics
contestada

3x+2y=4,6x+3y=2 Solve the systems of equations by substitution

Respuesta :

nirvanafire11 nirvanafire11
  • 14-11-2020

Answer:

x = -8/3, y = 6

Step-by-step explanation:

3x+2y=4   so x = (4-2y)/3

6x+3y=2

substiute x into the second equation

6((4-2y)/3) +3y = 2

2(4-2y) + 3y = 2

8 - 4y + 3y = 2

-y = -6

y = 6

Replace y into the first equation

3x + 2 (6) = 4

3x +12 = 4

3x = -8

x = -8/3

Answer Link

Otras preguntas

An isometry does not preserve
Which of these political systems would’ve have a “supreme leader”? A. Socialist B.indirect democracy C.federalist D.dictatorship
What’s the answer the multiple choice is there to please don’t guess
For what values of x does the value of the fraction (3-x)/8 belong to the interval (−2; 5]?
what were the causes of the montgomery bus boycott?​
I have been having a hard time with this question can someone please explain it to me? How do i solve this? Please explain? Thanks
What two numbers add up to 13 and multiply to -24
A six-sided die with sides labeled 1 through 6 will be rolled once. Each number is equally likely to be rolled. What is the probability of rolling a number less
Carlos walked 10 miles at an angle of 20 degrees north of due east. To the nearest tenth of a mile, how far east, x, is Carlos from his starting point?
Read the excerpt from "The Royal House of Thebes." Antigone and Ismene heard with horror what Creon had decided. To Ismene, shocking as it was, overwhelming her