fisherjake510 fisherjake510
  • 01-08-2017
  • Mathematics
contestada

Solve the system using elimination. x + 2y = –6 3x + 8y = –20

Respuesta :

texaschic101
texaschic101 texaschic101
  • 01-08-2017
x + 2y = -6....multiply by -3
3x + 8y = -20
---------------
-3x - 6y = 18 (result of multiplying by -3)
3x + 8y = -20
--------------add
2y = -2
y = -2/2
y = -1 <===

x + 2y = -6
x + 2(-1) = -6
x - 2 = -6
x = -6 + 2
x = -4 <==

solution is (-4,-1)
Answer Link

Otras preguntas

An ionic bond is a bond between _____. valence electrons and cations the ions of two different metals the ions of two different nonmetals a cation and an anion
match the trade item with the country that created or had it from he beginninggold iron grain jewelery ivoryEgypt: Kush:
Which are thought to have contributed to the decline of the Indus valley civilization? Choose all that are correct. A. People moved to more fertile regions of t
A nonmetal has higher reactivity than sulfur. Which of the following statements about the location of this nonmetal on the periodic table can be true?
This medical kit was used during the civil war. what difficulties would caregivers and patients have face during this time
bacteria are taken into cells by?
if the temperature increases and the barometric pressure Falls then which symbols will denote this on a weather map
A poem with your feelings of home using your five senses
By definition a social healthy person has access to clean water and educated living space and makes effort to recycle
Lily had 72 sweets she shared between her and her 11 friend how much did they each get plus her?