markussamples markussamples
  • 25-04-2020
  • Mathematics
contestada

Solve the system using elimination.

y – x = 13
7y + x = 11


(–10, 16)


(–10, 3)


(3, 16)


(–3, –10)

Respuesta :

arsingh93
arsingh93 arsingh93
  • 25-04-2020

Answer:

(-10, 3)

Step-by-step explanation:

Y - X = 13

7Y + X = 11

(Y+7Y) + (-X+X) = 13+11

8Y = 24

Y = 3

Solving for X:

Y - X = 13

Substitute Y=3

3 - X = 13

-X = 13-3

-X = 10

Multiply by - 1,

X = - 10

(-10, 3)

Answer Link

Otras preguntas

Which preposition best completes this sentence? Nous devons rendre nous devoirs _____ une semaine. A) dans B) à C) pendant D) pour
Objective truths depend on personal feelings. a. True b. False
Jimmy carter was a governor of what state before becoming president
I need help on this question someone plz help!!!
If b is a nonnegative real number and n is a positive integer then b ...
What is the inverse of the function f(x)=4x+8
what was pope urban II's main reason for calling the first crusade?
put a pronoun in this sentence •Teachers can take _____________ breaks on or off campus.
A rectangle has an area of 24 squared and a height of 6 cm. what is the base?
HEY LOOKType the correct answer in each box. Tom has 28 milk chocolates, and Emily has 24 dark chocolates. They have to divide these chocolates into small packe