Debiklauminzer Debiklauminzer

02-04-2020
Mathematics

contestada

Solve the following systems of equations

x+3y=-23
-x+4y=-26

Respuesta :

georgiabut georgiabut

02-04-2020

Answer:

y = -7, x = 2

Step-by-step explanation:

x+3y=-23 (eq 1)

-x+4y=-26 (eq 2)

eq1 + eq 2

7y = -49

y = -7

Sub y = -7 into eq 1

x+3(-7) =-23

x -21 = -23

x = 2

Answer Link

Otras preguntas

A hydraulic press for compacting powdered samples has a large cylinder which is 10.0 cm in diameter, and a small cylinder with a diameter of 2.0 cm. A lever is

In an effort to bolster its economy while remaining responsible to the environment, what industry is Costa Rica promoting?

To make lemonade, kate uses 1 cup of lemon juice and 2 cups sugar. if she makes a larger amount of lemonade with 10 cups of sugar, how many cups of lemon juice

A detective’s investigation is like:

Around 480 BC, a battle between the Persians and the Greeks took place.its name?

Avery thought his new math teacher was cold and ineffective. But by the end of the year, he liked him. This is an example of the:

500/100 in simplest form

Draw a scatter plot that shows a person’s height and his or her age, with a description of any trends. Explain how you could use the scatter plot to predict a p

cotx+1=cscx(cosx+sinx)

Why were the shinto and buddhism important to the development of japanese culture?