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 ( 98+ )
Otras preguntas
Alexis is `56` inches tall. What is her hight in meters
If the train operator's indication light goes dark on a regular passenger train in motion between stations, the train operator shouldA) Immediately apply emerge
PLS HELP!!⁉️For gaseous water to turn back into a liquid, it must be cooled to its... ?- Freezing Point- Condensation Point
y=5x + 1 solve for x
which of three following words best fits the three leaders listed bellow
Evaluate the extent to which the lives of workers changed as a result of industrialization during the nineteenth century.
What indicates under rotation of an oblique L-spine?a) Spinous processes alignedb) Zygapophyseal joints well-visualizedc) Vertebral bodieswwell-superimpose
Is d+6d equivalent to 6d
Why can carbon be used to produce iron i
There are 45 houses in crystal lake community. Each house uses 400 gallons of water each day. Let g represent the total gallons of water used in the community e
