Seudónimo Seudónimo
  • 10-03-2017
  • Mathematics
contestada

x = y - 3 x + 3y = 13 What is the solution to the system of equations? A) (1, 4) B) (4, 1) C) (7, 4) D) (2.5, 5.5)

Respuesta :

rarrininger
rarrininger rarrininger
  • 10-03-2017
x+ 3y = 13
(y - 3) + 3y =13
4y - 3 = 13
4y -3 + 3 = 13+3
4y = 16
4y/4 = 16/4
y=4

x = 4 - 3
x = 1

A) (1, 4)

Check x+3y =13
1+ 3(4) =13
1 + 12=13
13=13
Answer Link

Otras preguntas

When a president disagrees with a court decision, he can counter its influence by:?
In the measurement of blood pressure, what are the units expressed as?
Taxes you pay to the federal government are what
the revelation of the good news of Jesus Christ as lived out in the Church, past and present
What is 2m-13=-8m+27
which type of cell is smaller a.prokaryote b.eukaryote c.nucleokayotes d.
How did railroads affect the American economy in the middle to late 1800
four types of compounds—carbohydrates, lipids, proteins, and nucleic acids—within living organisms
The ________ is the most common electoral system used in general elections in the united states.
Does Warhol's image of Marilyn Monroe achieve unity and balance? Why do you think he chose such strong and unnatural colors?
good job