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 ( 65+ )
Otras preguntas
Strong nationalism often hindered negotiations between world leaders. a. True b. False
What's the radius of a circle who's circumference is 135.648
What is the most reliable way to get the opinions of experts on any writing topic? A. Contact them on the Internet. B. Call them to set up interviews. C. Wri
Bison live in __________ ecosystems in the United State
Which of the following activities is most likely to result in sediment pollution? a. cutting down trees b. pouring motor oil down the drain c. excess fertiliz
Taxonomy is an organizing science used in _____. 8 zoology botany all of these
In "Paul's Case," members of the faculty don't like Paul's carnation because they think A. it's the mark of an early death. B. it's effeminate for a man to we
Widespread bombing of Vietnam by the United States led many South Vietnamese to join the National Liberation Front. a. True b. False
Which instrument has keys, pedals and strings? a. Violin b. Piano c. Guitar
925 round to the nearest hundred
