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

Answer all of them please
A _____ is a new substance formed in a chemical reaction. a. catalyst b. reactant c. product d. coefficient
Brenda, Katherine, and Patrice earned a combined 17 points during their team's game. Brenda earned 4 points and Katherine earned 8 points. Which of the followin
Which of the following is a good combination of these two sentences into one, simplifying the idea? Geese are birds with white feathers. Geese are good swimmers
In order to reduce the risk of neural tube defects in the fetus, the most important time for a woman to consume adequate amounts of folate is:
Redactează o compunere de 15-20 rânduri in care sa argumentezi ca, Călin(File din poveste) este o descriere literară
how did Bismarck try to turn workers away from socialism?
what is 3 3/10 + 2 4/5 + 3 2/5 + 2 1/10
explain how you know to use a variable in an addition or subtraction expression
What is 70% of 700 on a test