Seudónimo Seudónimo

10-03-2017
Mathematics

contestada

x = y - 3 x + 3y = 13 What is the solution to the system of equations? A) (1, 4) B) (4, 1) C) (7, 4) D) (2.5, 5.5)

Respuesta :

rarrininger rarrininger

10-03-2017

x+ 3y = 13
(y - 3) + 3y =13
4y - 3 = 13
4y -3 + 3 = 13+3
4y = 16
4y/4 = 16/4
y=4

x = 4 - 3
x = 1

A) (1, 4)

Check x+3y =13
1+ 3(4) =13
1 + 12=13
13=13

Answer Link

Otras preguntas

PLEASE HELP ASAP. IT'S DUE IN 5 MINUTES. I'M NOT LYING PLEASEE I'M CRYING IM SO STRESSED,,,,,,,,,,,,,,,,,

Which of the following best describes the presidency u.s. grant? Four years of constant war with England? Four years with serval major political scandals. He

Motorola Credit Corporation’s annual report: (dollars in millions) Net revenue (sales) $ 283 Net earnings 156 Total assets 2,105 Total liabilities 1,831 Total s

how much energy must be added to a 1-kg piece of granite?

The width of a rectangle is the length minus 6 units. The area of the rectangle is 7 units. What is the, in units, of the rectangle?

What territorial change occurred for France as a result of the French and Indian War? a. France gained India. b. France lost California. c. France gained the Oh

If you arrive at the same time as another user straight across from you, yield if

What is 7x9????????? ❄️

Because of interstellar dust, astronomers can see at most about 5 kpc into the disk of the galaxy at visual wavelengths. What percentage of the galactic disk do

Determine the amount of consumer surplus generated in each of the following situations. a. Leon goes to the clothing store to buy a new T-shirt, for which he is