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 ( 49+ )
Otras preguntas
You are at the top of the Empire State Building on the 102nd floor, which is located 373 m above the ground, when your favorite superhero flies over the buildin
How did the baron de Montesquieu and other liberal thinkers in the eighteenth century understand the idea of “representative government”?
In humans, ABO blood types refer to glycoproteins in the membranes of red blood cells. There are three alleles for this autosomal gene: IA, IB, and i. The IA al
What is an ionic compound? How is electrical neutrality maintained in an ionic compound?
Which of the following best describes the general philosophical mood of those writers of the seventeenth century interested in social progress? a. optimisticb.
Ashley Kreeger is the director of marketing for a company that operates several assisted-living centres. The company is developing a marketing plan that must co
U.S. issues Arctic drilling permit to Royal Dutch Shell The U.S. government has given Royal Dutch Shell permission to drill for oil and natural gas in the Arcti
One of your summer lunar space camp activities is to launch a 1210 kg1210 kg rocket from the surface of the Moon. You are a serious space camper and you launch
Name the following compounds: (a) KCIO, (b) Ag2CO3, (c) HNO2, (d) KMnO4, (e) CsClO3, (f) KNH4SO4, (g) FeO, (h)Fe2O3, (i) TiCl4, (j) NaH, (k) Li3N, (l) Na2O, (m)
Lead record ownership was previously set to a Queue whenever new lead records were created in your Salesforce instance. The Chief Marketing Officer has dictated
