isagon9333 isagon9333

24-03-2022
Mathematics

contestada

8x+5y=-13, 3x+4y=10 solve by elimination

Respuesta :

isalep93 isalep93

24-03-2022

8x+5y=-13

3x+4y=10

*4 on top

*5 on buttom

32x + 20y = - 52

15x + 20y = 50

subtraction

32x - 15x = - 52 - 50

17x = - 102

x = - 6

and then

3 * (-6) + 4y = 10

4y = 28

y = 7

Answer Link

Otras preguntas

The correct litmus test for an acid is ?

Which statement from "I Have a Dream" expresses the bleak history of African Americans in the United States? A. "And they have come to realize that th

Why did tensions grow between the united states and the soviet union after world war 2?

in a bureaucracy, what is employment typically based on? A. connections (who you know) b. first come, first serve c. red tape d. specific qualifi

hey can you please help me posted picture

If consumer confidence decreases then aggregate demand will increase and output and price level will increase as well. decrease and output and price level wi

What caused stagflation? Why could the Nixon-Ford-Carter crowd not solve this problem?

Donna took out a 25-year loan for $115,000 at an APR of 7.2%, compounded monthly, and she is making monthly payments of $827.53. What will her balance be with 1

Where the foreground located ?

Help would be appreciated