westdagoat84 westdagoat84
  • 24-02-2021
  • Mathematics
contestada

2x+y=3.4
8x+2y=11.6
what is the value of x?

Respuesta :

0himark 0himark
  • 24-02-2021

Answer:

x = 2.2

Step-by-step explanation:

- 4 (2x + y = 3.4) + (8x + 2y = 11.6)

( - 8x - 4y = - 13.6) + (8x + 2y = 11.6)

- 2y = 2

y = - 1

2x + ( -1 ) = 3.4

2x = 4.4

x = 2.2

Answer Link

Otras preguntas

Issued in 1974, 45 CFR 46 raised to regulatory status: A) The 1974 National Research Act B) The Nuremberg Code C) Kefauver-Harris Drug Amendments to the Federal
NEED THIS QUICK PLS WILL GIVE BRAINLIEST! Journalism Pls write in complete sentences and paragraphs! Even though there is freedom of the press, government agen
If the triangle on the grid below is translated three units left and nine units down, what are the coordinates of C"?​
in 10 words or fewer, what other numbers do you think are in the domain of this function?​
Find x so that the distance between the points (1,2) and (x, -10) is 13
Which expression is equivalent to 10k + 17 - 7j - 18 - 11k? A. -8jk - 1 B. -7j - k - 1 C. -7j+k+1 D. -8j - k
Which equation would have real zero(s) corresponding to the x-intercept(s) of the graph below?
How can I express this as a single power with positive exponents?
Give me some respect examples?​
How does gertrudes reaction advance the plot of the play?