odelllinkin2002
odelllinkin2002
01-11-2017
Mathematics
contestada
3x+5y=2 and 9x+11y=14 equals
Respuesta :
choixongdong
choixongdong
01-11-2017
3x+5y=2 (1)
9x+11y=14 (2)
multiply equation (1) by 3
9x + 15y = 6
so
9x + 15y = 6 (1')
9x + 11y =14 (2)
-------------------------subtract
4y = -8
y = -2
3x+5y =2
3x+5(-2) =2
3x - 10 = 2
3x = 12
x = 4
answer
(4, -2)
Answer Link
VER TODAS LAS RESPUESTAS ( 64+ )
Otras preguntas
20 Points For Awnsering Please Help
Which statements correctly identify a condition that must exist for a culture to be considered a civilization
If LMN=XYZ, which congruences are true by CPCTC? Check all that apply
Consider the function f(x)=−2/3x+5 . What is f(1/2) ? Enter your answer, as a simplified fraction, in the box. f(1/2)=
What motivated Germany to make an alliance with Austria-Hungary? A. Fear of aggression from the United States B. Fear of aggression from France C. The desir
This emblem shows a Jewish star inside a shape that combines a fortress and a shield.
Factor completely x^2-48
what does the word tribulation mean? ♡
Average annual precipitation and _____ are the two major features that define the biomes on Earth.
Paige is a shy 15 year old who tries to avoid social encounters as much as possible. compared with her outgoing, socially confident friend krista, who is also 1
