esstebantrejoo esstebantrejoo

16-09-2016
Mathematics

contestada

What is the solution to this system of linear equations? 2x + y = 1 3x – y = –6

Respuesta :

nobillionaireNobley nobillionaireNobley

18-09-2016

2x + y = 1 . . . (1)
3x - y = -6 . . . (2)

(1) + (2) => 5x = -5 => x = -5/5 = -1

From (1), 2x - 1 = 1 => 2x = 1 + 1 = 2 => x = 2/2 = 1

x = 1, y = -1

Answer Link

Otras preguntas

7. Identify the substance if a 5g sample is found to have a volume of 2.5ml. Substance Density (g/mL) A. 12.5 B. 2.0 C

What challenges can happen when addressing Black Lives Matter

If a polygon had 275diagonals, how many sides must it have?

E and F are doing very good and I hope they are very well very good with you and very good man good luck with your good day and good luck with your good luck wi

Next, give your presentation to a live audience or record yourself giving the presentation. You will need to submit this recorded presentation to your teacher.

13. What is the distance between the y-intercept of the function f(x) = 2(3)* and the y-intercept of the function g(x) represented by the table below?

Creating a dot plots. Use the data plot below to create a dot plot

2. A car salesperson claims that a 300-hp engine is a necessary option in a compact car, in place of the conventioNl 130-hp engine. Suppose you intend to drive

a change to any gas in the atmosphere affetcs energy absorbed by the surface in the same way. Agree or Disagree?

How would a booming economy (meaning a good economy, where people in general have enough money) help with the development of a new genre like Rock and Roll?