kit0058
kit0058
02-03-2017
Mathematics
contestada
solve by elimination
Respuesta :
roseberline
roseberline
02-03-2017
2x - 2y = -4
-3x -3y = 0
_____________________
-1x - 5y = -4
Answer Link
H1a2r3s4h5
H1a2r3s4h5
02-03-2017
2x-2y=-4
Multiply eq.by 3
6x-6y=-12
-3x-3y=0
Multiply eq.by 2
-6x-6y=0
from both new eq.
6x-6y=-12
-6x-6y=0
So adding both eq. We get
-12y=-12
So y=1
From eq.1
2x-2y=-4
2x-2(1)=-4
2x-2=-4
2x=-4+2
2x=-2
x=-1
so x=-1 and y=1
Answer Link
VER TODAS LAS RESPUESTAS ( 42+ )
Otras preguntas
Which chemical reaction involves the production of a gas? 2Li(s) + F2(g) mc012-1.jpg 2LiF(s) Zn(s) + 2HCl(aq) mc012-2.jpg H2(g) + ZnCl2(aq) HNO3(l) + H2O(l) mc0
PLEASE HELP !!!!!!!!!!!
What do we call a person who works to put and end to slavery?
if the scale used on the blue print is 2in = 3ft. what is the measure of the door that is 5in on the blue
The federal government continues to be the largest provider of human services in United States among the major human services provided by the government or soci
What is the relationship between the effects of carbon dioxide and oxygen when placing elodea with the snails?
Rewrite the equation to solve for the number of boxes of party favors Raymond should purchase.
A nut-raisin mix costs $5.26 a pound. Rashid buys 15.5 pounds of the mix for a party. Rashid’s estimated cost of the nut-raisin mix is A.$16 B.$22 C.$6
Which of these nations did NOT fight with the Allied Powers in World War I? A) Austria-Hungary B) England C) France D) Russia
Why was Kansas called, Bleeding Kansas?
