churro89 churro89
  • 17-10-2020
  • Mathematics
contestada

Solve the system:
y = 3x
-x + 2y=5

(_,_)

Respuesta :

LMN137 LMN137
  • 17-10-2020

Answer:

(5, 15)

Step-by-step explanation:

-x + 6x = 5

5x = 5

x = 5

y = 3 (5)

y = 15

You can substitute 6x for 2y because it says y = 3x. So 2y is gonna be 6x because you have to multiply it by 2 since it's 2y not just y.

Answer Link

Otras preguntas

how many solutions does the equation 2x-6=6+2x
HELP!!!!!! I believe its B but I am not sure! :(
I really need help, not very smart :(
What factors contributed to the development of population policies during the 20th century?
Write an equation in point-slope from for the line through the given point with the given slope (-3,5);m=2/3
Which behavior is most likely to indicate alcohol abuse A. Sakim has a couple of drinks and social gatherings B. Salina gets excited at the prospect of trying
What was unique about the sleeping bag Chris McCandless's body was found in, and why would it have particular emotional importance?
What is the distance a jet travels over a 4.25 hour flight if it is traveling 14.75 km/s?
Which layer in the atmosphere contains the most water vapor and gases? A. thermosphere B. stratosphere C. mesosphere D. troposphere
Summarize the work of Nobel Prize winner Roger Sperry that is discussed in this article. (Site 1)