francobazz
francobazz
15-03-2015
Mathematics
contestada
4x +2y = 12
-4x + 5y= -5
Respuesta :
naǫ
naǫ
15-03-2015
[tex]4x+2y=12 \\ \underline{-4x+5y=-5} \\ 2y+5y=12-5 \\ 7y=7 \\ y=\frac{7}{7} \\ y=1 \\ \\ 4x+2y=12 \\ 4x+2 \times 1=12 \\ 4x+2=12 \\ 4x=12-2 \\ 4x=10 \\ x=\frac{10}{4} \\ x=\frac{5}{2} \\ x=2 \frac{1}{2} \\ \\ \boxed{(x,y)=(2 \frac{1}{2}, 1)}[/tex]
Answer Link
Аноним
Аноним
15-03-2015
Please, look at photo :))
-Good luck !
Answer Link
VER TODAS LAS RESPUESTAS ( 31+ )
Otras preguntas
Which of the following is a non-prime factor of 70? Select one: A. 5 B. 7 C. 10 D. 15
What are five signs of chemical change
________ was an Austrian monk in the 1800’s who studied inheritance of traits by growing thousands of __________.
what is the rod of asclepius
Translate from English to Spanish thank you! :) no google translate please. 1. why don't we run? 2. i'm not running 3. what is he drinking? 4. why does she drin
PLEASE HELP AND SHOW WORK WILL MARK BRAINLIEST!!
What is the them of “Mothers” by Nikkki Giovanni?
non living things starting with letter o
Find four consecutive integers if the sum of the second and fourth is 48
what tue answer to this if im factoeizing it