Seaonnaspratt Seaonnaspratt

14-12-2016
Mathematics

contestada

Solve this system of equations by any method.
5x + y = -13
4x + 3y= -17

Respuesta :

texaschic101 texaschic101

14-12-2016

5x + y = -13.....multiply by -3
4x + 3y = -17
-----------------
-15x - 3y = 39 (result of multiplying by -3)
4x + 3y = -17
-----------------add
-11x = 22
x = -22/11
x = -2

5x + y = -13
5(-2) + y = -13
-10 + y = -13
y = -13 + 10
y = -3

solution (-2,-3)

Answer Link

Otras preguntas

How much does the fast and furious franchise typically earn internationally compared to the american box office?.

How does accenture generate value for clients through agile and devops?

Using one to two sentences, explain how the movement of tectonic plates helps turn sedimentary rocks into metamorphic rocks.(2 points)

The table shows a proportional relationship. x 1 2 3 y 16 32 48 Write an equation that represents the proportional relationship.

Phenylketonuria is an inherited disease caused by a recessive allele. If a woman and her husband are both carriers, what is the probability that their first chi

There are a total of 8 tiles in the bag containing the following letters: G, I, R, V, I, A, I and N. a) What is the probability of selecting an I, keeping it,

Which action can help slow down the process of chemical weathering?A. removing iron oxide to avoid breaking down rocksB. removing clay to avoid weakening rocksC

Starting from a full-employment equilibrium, an increase in aggregate demand ______, and creates ______ gap.

Rying to be on time for class, a girl moves at 2.4 m/s down a 52 m-long hallway, 1.2 m/s down a much more crowded hallway that is 79 m long, and the last 25 m t

Rying to be on time for class, a girl moves at 2.4 m/s down a 52 m-long hallway, 1.2 m/s down a much more crowded hallway that is 79 m long, and the last 25 m t