11014515 11014515

24-11-2022
Mathematics

contestada

If $2x-y=7,$ what is the value of $7-8x+4y$?

Respuesta :

Medunno13 Medunno13

24-11-2022

Answer:

[tex]7-8x+4y=-21[/tex]

Step-by-step explanation:

[tex]2x-y=7 \implies 8x-4y=28 \\ \\ \implies 7-8x+4y=7-28=-21[/tex]

Answer Link

Otras preguntas

In “The Tell-Tale Heart” by Edgar Allan Poe, what does the beating heart that the narrator hears symbolize? power guilt survival deception

What resulted in the single bloodiest day in American history at the Battle of Antietam? marching troops forward in close order against newer, more accurate wea

Why did the Whiskey Rebellion occur in western Pennsylvania in 1794? A.Farmers were protesting a protective tariff that had been imposed on imported whiskey. B.

a room in the shape of a rectangular prism measures 15 feet by x feet by 12 feet. write a simplified expression for the volume in cubic feet of the room

Why did Osama Bin Laden form al Qaeda in the late 1990s

Classify Earth's layers based on their physical properties

7.632 in Word from go math

how did islam influence Europe beginning around the 15th century

What is the greatest common factor of 56 and 92

Arrange the level of cell organization from the simplest to the most complex, with 1 being the simplest and 5 being the most complex. 1.....1 organ level 2...