boo71
boo71
12-03-2015
Mathematics
contestada
3x-y=-1 and 2x+y=-14 how to solve showing work?
Respuesta :
Panoyin
Panoyin
13-03-2015
3x - y = -1 ⇒ 6x - 3y = -2
2x + y = -14 ⇒
6x + 2y = -42
-5y
=
40
-5 -5
y = -8
3x - (-8) = -1
3x + 8 = -1
-8 -8
3x
=
-9
3 3
x = -3
(x, y) = (-3, -8)
Answer Link
VER TODAS LAS RESPUESTAS ( 18+ )
Otras preguntas
because the inhabitants of the coast have less than five million white blood cells per cubic mm of blood
which of the following Asian cities is considered a " global city"
15 cm equals how many mm
on an average day, a horse might drink 50 L, a sheep might drink 4 L, and a chicken might drink 200 mL. gow much water would a farm with 3 horses, 15 sheep and
Look at the question! Thanks :) (please explain)
please help and write answer as decimal
a model ship is built to a scale of 1 centimeter : 5 meters. The length of the model is 30 centimeters. What is the actual length of the ship?
When do debaters give their rebuttal arguments? A at the beginning of the debate B after the proposition speaks first C after the opposition speaks first D at t
how can friends,family members or teammates increase the likelihood of you reaching your goals
The probability of rain and hail during a storm is 16%. The probability of only rain is 78%. What is the probability of hail given that there is already rain?
