vgutierrez01 vgutierrez01

01-12-2020
Mathematics

contestada

Question 6 (1 point)
What is the solution to the systems of equations below?
4x - y = 20
-2x - 2y = 10
Blank 1:

Respuesta :

2307391 2307391

01-12-2020

Answer:

y=-8 and x =3

Step-by-step explanation:

4x - y = 20 and -2x - 2y = 10

if we multiply the second equation by -2 we have:

4x + 4y = -20 and 4x - y = 20

we subtract the two equations and we have

5y = -40 so y=-8 which means x= 3

Answer Link

Otras preguntas

how is perspiration related to recovery after exercise? as the body perspires during exercise, water and ions are released through the skin and should be replen

which ratio is equivalent to 5:4 ?

what is the estimate answer of 17.5 times 8.4

what is 34.5 divided by 4

Gina paid $129 for a bicycle that was on sale for 75% of its original price. What was the original price of the bicycle

2. for what purpose did martin luther king, jr. write "letter from birmingham jail"?

Which Native American people are thought to be descended from the Anasazi, or Cliff Dwellers?

write an essay about the effects of poverty

which statement about elie wiesel is false? he was born in 1928 in what is now called romania. he has not received any awards or distinctions during his lifetim

1 minute speech on the topic 'travel and tourism'