carleehembree2005 carleehembree2005

17-03-2020
Mathematics

contestada

what is the solution of the system equations x + 2y = 1 and 2x -y = 7

Respuesta :

hanifchoirunnisa hanifchoirunnisa

17-03-2020

x + 2y = 1

x = 1 - 2y

2x - y = 7

2(1 - 2y) - y = 7

2 - 4y - y = 7

-5y = 9

y = -9/5

x = 1 - 2y

x = 1 - 2(-9/5)

x = 1 + (18/5)

x = 23/5

Answer Link

Otras preguntas

you buy 3 pounds of organic apples for $7.50. the graph shows the price for regular apples. what is the unit rate for each type of apples?

Which of the following was NOT an outcome of the Spanish-American War? A.The U.S. annexed the Philippines. B.Spain granted Cuba its independence. C.The U.S. nav

Which groups did not share in the prosperity of the late 1800s? Choose all answers that are correct. A. shopkeepers B. tenement dwellers C. factory workers D. r

Do viruses belong to one of the domains of life? (Points : 1) Yes, they belong to Domain Eukarya. Yes, they belong to Domain Archaea. Yes, they belong to Domain

Identify the infinitive phrase in the following sentence: The teacher's plan to go on a field trip was foiled by rain. A. The teacher's plan B. to go on a field

why do you think general Israel Putnam said, "Don't fire until you see the whites of there eyes"?

Thomas Jefferson and Aaron Burr were candidates for president of the United States in 1800. True False

use Vietcong in a sentence

If x^(1 over 3) = y^2, which of the following must be equivalent to x? (A) y^(1 over 6) (B) y^(2 over 3) (C) y^(3 over 2) (D) y^3 (E) y^6

Support for the Mexican-American War was most closely connected with support for which of these ideas? Manifest Destiny Transcendentalist Movement Great Awakeni