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
Any number that is divisible by 4 is divisible by 8. Find a counter example to show that the conjecture is false
Which of the following best describes the relationship between the New World colonies and Europe? The New World was responsible for providing workers for Europe
How was the question of slave labor in America primarily seen in the 1850s? as a moral question as a question of property rights as an economic question as ille
Those people who favor allowing or increasing immigration levels state that newly arrived immigrants:
A store sells T-shirts $10 each and jeans for $20 a pair. Anna spends $150 for T-shirts and jeans. she buys x T-shirts and y pairs of jeans. what is the equatio
What was the purpose of this cartoon? to criticize new laws restricting immigration to support nativist anti-immigration sentiment to point out a prominent form
Which of the following was a goal of the North Africa Offensive? to prevent the Axis powers from establishing full control of the Mediterranean region to draw H
Which of these is a major reason colonists came to Massachusetts? "Colonial America has great farmland." "Colonial America offers religious freedom." "The Ameri
The 18th amendment and the volstead act were victories for which long enduring cause
The Tudor monarchs of 16th century England used the Court of the Star Chamber to...? A:promote the commerce of the kingdom B:replace Parliament as a legislative
