Marinavina23
Marinavina23
02-02-2016
Mathematics
contestada
7x+6y=21
X+3y=-12 what is the answer
Respuesta :
Panoyin
Panoyin
02-02-2016
7x + 6y = 21 ⇒ 7x + 6y = 21
1x + 3y = -12 ⇒ 2x + 6y = -24
5x = 45
5 5
x = 9
x + 3y = -12
9 + 3y = -12
- 9 - 9
3y = -21
3 3
y = -7
(x, y) = (9, -7)
Answer Link
VER TODAS LAS RESPUESTAS ( 56+ )
Otras preguntas
Did Mother Gothel actually die in Tangled? Does Mother Gothel have powers because she "teleports" several times in the movie even without her cloak and she has
Help a bab out with Geometry exam question ?
someone please please help me with this!!
Please Help BRUTUS. It must be by his death: and for my part I know no personal cause to spurn at him But for the general. He would be crowned: How that might c
HELP ME PLEASE. The question is on the picture. (1/3)^2+3^2
On an 10-sided die, what is P(7) ?
What do foreign countries to in retaliation?
If the half-life of substance Z is 2.5 years, how long would it take for 48 grams of substance Z to decay such that only 3 grams remain?
The speed of an electron in an orbit around hydrogen atom is 2.2*10^6 ms^-1.It takes 1.5*10^-16 s for the electron to complete one orbit. Calculate the radius o
15/x=10/2 Find x please
