hihowareyou0
hihowareyou0
07-01-2015
Mathematics
contestada
SOLVE BY ELIMINATION.
x-2y=2
3x+y=6
Respuesta :
luana
luana
07-01-2015
[tex] \left \{ {{x-2y=2} \atop {3x+y=6\ |\cdot2}} \right. \\\\ \left \{ {{x-2y=2} \atop {6x+2y=12}} \right. \\+-----\\\\7x=14\ \ \ \ |:7\\x=2\\\\2-2y=2\\-2y=2-2\\-2y=0\\y=0\\\\ \left \{ {{y=0} \atop {x=2}} \right. [/tex]
Answer Link
VER TODAS LAS RESPUESTAS ( 51+ )
Otras preguntas
someone please help I can’t understand these questions
how did lack of resources lead to early human migration? PLEASE HELP
● • Amin decided not to form a partnership with his uncle. Instead, five years after setting up his business, he is thinking of forming a private limited compan
wyatt has purchased a new laptop and found it came with many programs that he does not want. he should the programs from his device so they do not take up
● • Amin decided not to form a partnership with his uncle. Instead, five years after setting up his business, he is thinking of forming a private limited compan
Q is (1,6). The distance between QQ' is 2*sqrt 29. Q is equidistant to AB and Cd. CD has an equation of 2x+y+c=0. Find c
how does Noah teacher view the student in b class
A class of students performed the heat transfer experiment shown in the picture. In the experiment, three plastic dishes were partially filled with equal amount
You find a zero coupon bond with a par value of $10,000 and 17 years to maturity. If the yield to maturity on this bond is 4.2 percent, what is the price of t
PLEASE HLEP ME AGAINNNNBN EXTRA POINTS AND VRAINLEST INCE AGINNN
