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

PLZ REVIEW THIS FOR ME AND PLEASE READ THE INSTRUCTIONS :)

What is f(2) for the function f(x)=2x^2+6x-5

Hello can you help me undrstand which one is correct and why

Which of the following would be in a government budget but not a personal budget? A. Health care expenses B. Military expenses C. Income from a job D. Incom

help pls i need this last work to turn in.

How many electrons would be in a neutral atom of Phosphorus?

supporting details give you information about blankA. the first sentenceB. the titleC. the charactersD. the main ideas

The Stamp Act passed by the British upon the U.S. colonies and events later on in Shays' Rebellion are important for U.S. Politics today because they highligh

The Distributive Property was used to multiply 7 x 62. Put the steps in order. 1 420 + 14 third 2. 7 * (60 + 2) fifth 3. ( 760) + ( 72) second 4. 434 first 5.7

fill in the blank with the Spanish equivalent for the word in parentheses I WILL GIVE 80 POINTS IF YOU ANWSER THIS