AZNGhost
AZNGhost AZNGhost
  • 13-01-2021
  • Mathematics
contestada

21y+7x=56? what is the value of X

Respuesta :

Аноним Аноним
  • 13-01-2021

Answer:

x = 8 - 3y

Step-by-step explanation:

[tex]21y+7x=56\\\\21y-21y+7x=56-21y\\\\7x=56-21y\\\\\frac{7x=56-21y}{7}\\\\\boxed{x=8-3y}[/tex]

Hope this helps.

Answer Link

Otras preguntas

1/8 the sum of 23 and 17
Which type of propaganda projects an image of being one of the common people? Card Stacking Testimonials Plain Folks Bandwagon
The bond formed when electrons are shared is called a(n) _____. ionic bond hydrogen bond covalent bond
Other than death, grief, and madness, what themes do you notice throughout “The Raven”? Provide textual evidence to support your answer.
Which line in these excerpts attacks the myth that the sacrifices of soldiers are remembered and valued? 1. In winter trenches, cowed and glum, With crumps and
The center for 21 century skills lists core subject areas that all employees need to know about. What are two of those core subjects
The type of ____ found in oats, barley, lentils, split peas, and beans protect against heart disease? a. Soluble fiber. b. LDL cholesterol. c. Insoluble fibe
Why were the ancient Greeks comities isolated from each other
Which system contains ice and glaciers? a. geosphere
Which of the following is considered a purchase tax? a. income tax b. Social Security c. property tax d. excise tax