camilaclavijo30 camilaclavijo30

04-05-2014
Mathematics

contestada

What is the solution to this system of linear equations: y-x=4 and y+2x=1

1) (-1,3)
2) (0,4)
3) (1,-1)
4) (-3,3)

Respuesta :

HunterX HunterX

04-05-2014

y-x=4
y+2x=1

3x=-3
x=-1

substitute to any equation
y-x=4
y+1=4
y=3

Answer Link

Otras preguntas

Why is social harmony important ? Write in points.

What happens when acetylene reacts with silver powder?

use green theroem to find integral of x^2ydx-xy^2dy

Write an equation in point-slope form for the line through the given point with the given slope. 3 (4, -6); m =

can anyone help me to explain theory of relativity???

Fewer and fewer customers have been coming into the restaurant, so Bill, the manager, decides to change the entire menu. After he does this, he finds out that p

Combine like terms in the given polynomial. Then, evaluate for x = 4, y = – 2. xy – 2xy + 3x2 y — 4x y2 + 2xy2 3x2 y + 2xy2 – xy; – 56 C - xy – 2xy2 + 3x2y; – 5

1. Sederhanakan dan nyatakan hasilnya dalam bentuk eksponen. 2. Nyatakan soal berikut dalam notasi ilmiah.

PLZ HELP ASAP ITS KHAN WILL GIVE 5 STARS AND HEART AND 10 POINTS AND BRAINLIST

plz help me..... ....