albybjr albybjr
  • 02-05-2019
  • Mathematics
contestada

solve this system of two linear equations using substitution
y=3x-5,3y-x+1

Respuesta :

Gasaqui
Gasaqui Gasaqui
  • 15-08-2019

Answer:

y=3/2

x=13/6

Step-by-step explanation:

y=3x-5 → -3x +y = -5

3y-x+1 → -x +3y = -1

Multiply the 2nd eq by -3 and add to 1st one and replace it

-3x +y = -5 → -8y =-6

3x -9y = -1     3x -9y = -1  

→ y =3/2=1.5 . Replace this value in any eq -3x + 3/2 = -5  → x =13/6

Answer Link

Otras preguntas

iz - Level H How do the events in this part of the story reveal Reggie's feelings? First, Joe C. criticizes Reggie's speech Then Ruthie And then, to top it off.
approximate: log1/2 5
Based on the graph, which inequality is correct for a number that is to the right of -4? (4 points) Group of answer choices 2 −4 > −3 1 2 > −4
16. Ben drew plans for a new garage. On the plans, the garage is 6.4 inches long. If the actual garage will be 18 feet long, what was the scale used to create t
Essay: How did literature change during World War 2?
why does suzuki think people should “act as one single world”?
Each U.S. state has at least one...
(You notice I haven't told you what the invention was yet? I implied a question, and didn't answer it. You're waiting. You're wondering, what did almost no one
Supreme court chooses to hear cases that___
What are the three phases or chapters of Greek Philosophy? Explain the main differences between them.