akybrown akybrown

23-08-2017
Mathematics

contestada

Use substitution to solve the system.

y =2x - 4
5x+2y =1

x=
y=

Respuesta :

choixongdong choixongdong

23-08-2017

y =2x - 4
5x+2y =1

substitute y =2x - 4 into 5x+2y =1
5x+2y =1
5x+2(2x - 4) =1
5x + 4x - 8 = 1
9x = 9
x = 1
y =2x - 4 = 2(1) - 4 = -2

answer
x = 1 and y = -2

Answer Link

Otras preguntas

Read the excerpt about Elizabeth Van Lew from The Dark Game: True Spy Stories from Invisible Ink to CIA Moles. No one in Libby Prison hospital paid much attenti

.what is .02 divied by .30 please dont show the calculator answer

Why is Machiavelli considered the “father of modern political science”?

What was the name of the last ship La Salle had before it wrecked on the Matagorda Peninsula?

Choose the sentence fragment. O Most of them show up every day. The house on the corner is empty. O Walked home from school yesterday. Frankie and Joe kept it f

Please select the correct definition for the following terms. 1. Alliteration a. A comparison of unlike things that does NOT use "like" or "as" b. A word which

A pure substance with one type of atom is called a(n

-(3z)² how do I simplify it because the question tells me to simply -(3z)²

The product of x and 8 is greater than or equal to -28.

How does an organism obtain elements needed to make protein?