Gal101rose
Gal101rose
14-04-2017
Mathematics
contestada
3x+y=-14
-2x-y=9
Elimination addition
Respuesta :
H1a2r3s4h5
H1a2r3s4h5
14-04-2017
3x+y=-14
-2x-y= 9
________
x=-5
Putting the value of x in any equation
For ex. 3(-5)+y=-14
-15+y=-14
y=-14+15
y=1
So x=-5 and y=1
Answer Link
VER TODAS LAS RESPUESTAS ( 96+ )
Otras preguntas
can you help me with this problem please
You mix 1/4 cup of juice concentrate for every 2 cups of water to make 18 cups of juice. How much juice concentrate and water do you use?
Given that LM and LN are tangent to the circle and that the measure of angle MLN = 75.86, find the measure of arc MN.
Suppose an object’s initial velocity is 10 m/s and its final velocity is 4 m/s. Mass is constant. What can best be concluded about the object based on the work-
You’re alone and have identified a child who is not responsive. what is the next step in CPR?
Erica earned 14 last week and 20 hours this wk if she earns9 per hour how much
What material has a mass of 241.25 while occupying 12.5cm^3 of space??
HELP ME!!! I wanna pass please
in a lightning dischage, 30C of charge moves through a potential difference 108V in 20mins. what is the current of the lightning bolt?
Hey girl skateboards with the kinetic energy of 2543. To J if the girl in the skateboard have a total mass of 110 KG what is her speed
