eprfrench eprfrench
  • 03-01-2021
  • Mathematics
contestada

2x+5y =-20, 2x-3y=28

Respuesta :

iyerk331 iyerk331
  • 03-01-2021

Answer:

x=5 and y=-6

Step-by-step explanation:

2(5) + 5(-6) = -20 (so true)

and

2(5) - 3(-6) = 28 (true)

Answer Link
Ladyanne
Ladyanne Ladyanne
  • 03-01-2021

Answer:

2x=-20-5y

divide both sides by 2

x=-20-5y/2

2x-3y=28

-3y=28-2x

divide both sides by -3

y=28-2x/-3

Step-by-step explanation: FOR THE FIRST ONE, I MADE X THE SUBJECT AND FOR THE SECOND ONE I MADE Y THE SUBJECT.

Answer Link

Otras preguntas

The Milky Way Galaxy has at least two hundred billion stars write half this number of stars in standard form
why is the weather mostly warm and sunny in the southeast
Which type of figurative language is used in this sentence from George Orwell’s novel Keep the Aspidistra Flying? The public are swine; advertising is the ratt
233,740 expanded word form
How does the stability of an ecosystem depend on its producers
how does the internal structure of the earth influence the creation of continents oceans and mountain ranges
the moon is 240,000 miles from earth what is the distance written as a whole number multiplied by the power of ten
Which best describes the underlined word in the sentence? Throughout the world, there is much *evidence* for ancient astronomers. A. complete subject B. simp
Subtract. –21 – (–13) a. –34 b. –8 c. 8 d. 34
order the numbers from greatest to least 56.01, 56.1, 56.011