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

China makes up __________% of the world's population.

In which one of the following sentences is the semicolon used correctly? A. Jacob, who plays in the orchestra; has a solo in the concert. B. Wheneve

Turner's treadmill runs with a velocity of -1.2 m/s and speeds up at regular intervals during a half-hour workout. After 25 min, the treadmill has a velocity of

Using the formula for kinetic energy (K=1/2mv2), calculate the kinetic energy when m = 423 and v = 4.71.

Look at 7-10 I need help with number 8 help me out please :)

During the jacksonian era, and for the first time in american political history:

Categorize the food items below by selecting which macromolecule they are known to contain. apple, steak, celery, olive oil, potato, avocado, egg

What does the reported use of the words "dead men don't bite" in these lines suggest about the character Billy? "Billy was the man for that," said Israel. "

What are the cations and anions for V2(CO3)3

What is the branch of science that studies matter and energy and its motion and interactions and all that is derived from it like force