courtney121871
courtney121871 courtney121871
  • 04-02-2021
  • Mathematics
contestada

Solve the system of equations
Y = 2x
X - Y = 10


Respuesta :

sandgirl212 sandgirl212
  • 05-02-2021

Answer:

x=-10, y=-20

Step-by-step explanation:

first you substiture the y in the second equation with the first

x-2x=10

then solve

1x-2x=-1

-x=10

multiply both sides by a negative to make the varible a

positive

x=-10

now we substitue the x in the first equation with -10

y=2(-10)

y=-20

Answer Link

Otras preguntas

What does CPL stand for
MARIA WALKED 4.035 KILOMETERES. WHAT IS 4.035 WRITTEN IN AS EXPANDED FORM ?
Which of the following drugs is not a hallucinogen?
The 12-month period that ends when a company's sales activities are at their lowest level is called the:
During the first phase of the American Revolution, most major battles took place near the cities of Boston, New York, and Philadelphia. Why would controlling t
Which of the following is the best example of positive peer pressure? Your friends say no to the dinner your mom cooked and suggest ordering pizza and wings in
Can someone please help me with number 31?
An electron is emmited by an atomic nucleus in the process of...
To extend the Sieve of Eratosthenes to​ 200, what is the largest prime whose multiples would have to be​ considered?
Describe several uses for plastic, and explain why plastic is a good choice for these purposes.