Madirino Madirino
  • 22-05-2020
  • Mathematics
contestada


Solve the system of equations below.

x + y = 8
3x + 2y = 21
(3, 5)
(5, 3)
(2, 6)
(6, 2)

Respuesta :

wolf1728
wolf1728 wolf1728
  • 22-05-2020

Answer:

A) x + y = 8

B) 3x + 2y = 21

We multiply A) by -2

A) -2x -2y  = -16 Then we add this to

B) 3x + 2y = 21

x = 5

y = 3

Second answer is correct

Step-by-step explanation:

Answer Link

Otras preguntas

Which part of a nucleotide contains genetic information?
The invention of the ________ had the greatest impact on civilization that made cities possible
After an interview, you should write _____ to restate your interest and extend your thanks. a follow-up letter a personal statement a memo a reference letter
HBr + H₂SO₄ SO₂ + Br₂ + H₂O Did H change oxidation number?
The given measurements may or may not determine a triangle. If not, then state that no triangle is formed. If a triangle is formed, then use the Law of Sines to
What challenges did the United States face during Reconstruction?
What quantity of 18.68 M KOH solution is needed to neutralize 0.2841 grams of KHP ? What is the concentration of the KOH solution?
the world war 2 strategy used by the US for attacking Japan was called
What is -a^-2 of a =-5. A.-25. B.25. C.-1/25. D.1/25
Marketing research indicates that youth aged _____ rent violent horror movies at a higher rate than any other age group.