queenbrookie4l queenbrookie4l
  • 01-12-2020
  • Mathematics
contestada

solve by using elimination 2x-6y=18 -2x + 4y = -6 ( , )

Respuesta :

2022110
2022110 2022110
  • 01-12-2020

Answer:

x = -9,

y = -6

Step-by-step explanation:

2x - 6y =18

-2x + 4y = -6

you can add the equations together as is and eliminate x

-2y = 12

y = -6

then plug back in,

2x - 6(-6) = 18

2x + 36 = 18

2x = -18

x= -9

Answer Link

Otras preguntas

Which groups led the quest for Mexican independence?
amanda put two rectangles together to form a new rectangle .both rectangles have a height of 3 inches.the base of the other is 4 inches.if amanda puts 10 of eac
The Napoleonic code was a comprehensive set of a) Military strategies b) Laws c) Economic rules d) Political judgments
A sample of a gas is contained in a closed rigid cylinder. According to kinetic molecular theory, what occurs when the gas inside the cylinder is heated? (1) Th
Helena is an engineer that designs packaging for new products. She designed a box in the shape of a rectangular prism with dimensions of 10 inches by 7 inches b
What led to the humanist movement?
Which of these 1 M solutions will have the highest pH?(1) NaOH (3) HCl(2) CH3OH (4) NaCl
The three isomers of pentane have different (1) formula masses (2) molecular formulas (3) empirical formulas (4) structural formulas
How might the Tiber River have been helpful to the development of Rome
if a radioactive isotope had a half life of 1 billion years how much of it would be left after 1 billion , 2 billion, 3 billion, and 4 billion years