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 ( 36+ )
Otras preguntas
What new laws did the new york factory investigating commission request? check all that apply. No factory workers under age tenuse of central air-conditioning s
Irma wa in charge of keeping attendance for a local ummer camp each year. Summer camp attendance Year Kid 2018 93 2019 92 2020 78 2021 75 2022 78 According to t
Can you think of another organ in the human body that i haped pecifically to increae urface area
Write the equation of the line that passes through the given points (0 1) and (2 2).
13. What was the Continental Congress? The time when the Constitution was signed. A meeting with state delegates and representatives from England The time when
Which cash crop was the most significant in ninteenth century texas? question 4 options: a. cotton b. corn c. rice d. tobacco
Ariane borrow $500 on a 3−year loan. She i charged 5% imple interet per year. How much interet i he charged for 3 year? What i the total amount he ha to pay bac
A car, ma 1225 kg, traveling at 105 km/h, low to a top in 53 m. What i the ize of the force that acted on the car
Record two details from placard _____that show how it relates to this category
Each bolt diameter in the standard system can have one of two thread pitches, _________ or unf.
