Mckayla4581
Mckayla4581
12-02-2016
Mathematics
contestada
2x+y=3 -4x-4y=-8 using elimination?
Respuesta :
Panoyin
Panoyin
12-02-2016
2x + 1y = 3 ⇒ 8x + 4y = 12
-4x - 4y = -8 ⇒ -4x - 4y = -8
4x = 4
4 4
x = 1
2x + y = 3
2(1) + y = 3
2 + y = 3
- 2 - 2
y = 1
(x, y) = (1, 1)
Answer Link
VER TODAS LAS RESPUESTAS ( 31+ )
Otras preguntas
van der Drift, C., and M. de Jong. 1974. Chemotaxis toward amino acids in Bacillus subtilis. Arch. Microbiol. 96:83-92.
When the user presses enter in a jpasswordfield, the gui component generates an ________, which is processed by an object that implements th
Does anybody know this? Which of the properties of real numbers is illustrated in the following example.
What ions are necessary for both the intrinsic and extrinsic pathways to the coagulation cascade?
[PLEASE HELP] There is a 30% concentration of cobalt chloride in 90 g of a water and cobalt chloride solution. What mass, in grams, of water has to evaporate to
Trypsin will digest dietary ____________ and also catalyzes the conversion of more trypsinogen into trypsin.
List the distinct ways the number 858 can be written as a product of two positive integer factors. (Enter your answer as a comma-separated list of products.)
Distribute and simplify these radicals. √12 (-1+√5) -4√3 -2√3+2√15 4√3 6√3
If the expressions (3x + 36) and (9x - 14) are equivalent, what is the value of x?
will managers be able to make informed decisions in a public company?
