Jala1234567890 Jala1234567890

25-04-2019
Mathematics

contestada

2x + y = 3 x - 2y = -1 If equation two is multiplied by -2 and then the equations are added, the result is what?

Respuesta :

sofiaSMEB22 sofiaSMEB22

25-04-2019

Answer:

2x + y
3 x - 2y
-1

2(3 x - 2y) = -6x + 4y

2x + y + -6x + 4y + -1 = -4x + 5y -1

Answer Link

Otras preguntas

Carlos and Sophie, factored the trinomial –4x2 − 10x + 6. Sophie factored it as –2(2x − 1)(x + 3) and Carlos factored it as (x + 3)( –4x + 2). Indicate which st

The Supreme Court ruled that the .... was unconstitutional on the grounds that its provisions were local matters and should be regulated by the states. a. Feder

what is the coriolis effect

Nina can ride her bike 63,360 feet in 3,400 seconds, and Sophia can ride her bike 10 miles in 1 hour. What is Nina's rate in miles per hour if there are 5,280 f

Which event finally brought the United States into World War II? a. Japan's attack on Pearl Harbor b. Germany's invasion of France c. Britain's attack on Gibra

What is scene painting?

465444345 minus 76545

8 gallons equal to how many pints

How did peace with the French hasten the American Revolution?

Regarding use of the media, spin can best be defined as a. casting a positive light on negative facts. b. deliberately fabricating information. c. meaningles