sunjotkaursandhu13
sunjotkaursandhu13 sunjotkaursandhu13
  • 24-05-2021
  • Mathematics
contestada

what is the working out an answer to this simultaneous question
3x+y=17
2x+y=12

Respuesta :

sreedevi102
sreedevi102 sreedevi102
  • 24-05-2021

Answer:

3x + y = 17   --------(1)

2x + y = 12 ---------(2)

from (1) : y = 17 - 3x.

Substitute y in (2)

2x + (17 -3x) = 12

2x + 17 -3x = 12

-x = 12 - 17

-x = -5

x = 5

Substitute x in (1)

3(5) + y = 17

15 + y = 17

y = 17 -15

y = 2

Answer : x = 5, y = 2

Answer Link
sergiosanchez150 sergiosanchez150
  • 24-05-2021
Answer is x=5 and y=2
Answer Link

Otras preguntas

Describe what is meant by organizational structure and organizational process and how are these concepts related to each other? how are they different from each
How did the assassination of the archduke of Austra Hungary lead to war between Russia and Germany?
2) explain why a stable 5% inflation rate can be preferable to one that averages 4% but varies between 1–7% regularly.
Match 1. balkanization 2. colonization 3. ethnic cleansing 4. apartheid an area of land between two or more groups where no military activity or weapons are a
What are the three parts of the Hebrew Bible?
write the earth from most dence to least dence: atmosphere. crust. inner core. mantle. outer core. water.
When a sociologist goes beyond observation and focuses on understanding why people are doing things, this is called _____.
What is the simplified form of the expression?
How many time does 5 go into 25?
Solve the inequality. - 27> -3(4x-3)