millerluke millerluke

02-10-2020
Mathematics

contestada

Solve the system by substitution.
3x +2y=-21
x+y=-9

Respuesta :

Ukmmmmm Ukmmmmm

02-10-2020

Answer:

Step-by-step explanation:

3x +2y=-21 and x+y=-9

3x +2y=-21 and x = -9-y

=> 3(-9 - y) + 2y = -21

-27 -3y + 2y = -21

-y = 6

y= -6

=> x = -9+6= -3

Answer Link

Otras preguntas

How does McBeth feel about the witches predictions?

What name is given to a process where a substance melts under pressure?

When group investors become aware of overseas investment opportunities and are willing to diversify their portfolios internationally, __________.

Fisher meeting with Bill Gates, CEO - Microsoft, to form alliances to develop new photo software that helped customers manipulate images, was an example of -

------------neutral particles in an atom

he Tea Party a. has been backed by wealthy conservative donors b. is aligned with the moderate wing of the Republican Party c. has yet to have any of its suppor

Poulter Corporation will pay a dividend of $4.60 per share next year. The company pledges to increase its dividend by 6.75 percent per year, indefinitely. If yo

The computer workstation furniture manufacturing that Santana Rey started in January is progressing well. As of the end of June, Business Solutions's job cost s

Which of the following has four, eight and one nine??A.88889B.4819C.888819D.489

Amy have 398.5 L of apple juice . Avery have 40098 ml of apple juice how many do they have all together