anjithaa23
anjithaa23 anjithaa23
  • 04-12-2019
  • Mathematics
contestada

How to substitute for -5x+3y=51 and y=10x-8

Respuesta :

Yang100
Yang100 Yang100
  • 04-12-2019

Answer:

x=3, y=22. (3, 22).

Step-by-step explanation:

-5x+3y=51

y=10x-8

----------------

-5x+3(10x-8)=51

-5x+30x-24=51

25x-24=51

25x=51+24

25x=75

x=75/25

x=3

y=10(3)-8

y=30-8

y=22

Answer Link

Otras preguntas

Only percent of americans are satified with their health care
Find angle a and angle b if a and b are complementary
In winter in the Southern Hemisphere, the south end of Earth’s axis is tilted away from the sun. TRUE OR FALSE?
The earliest surgery is thought to have taken place in which present day country
I only need help on #15! Thanks!
Which boundary involves two high-density plates that form deep, narrow trenches along the boundary? A)oceanic-continental convergent boundary B)oceanic-oceanic
At the end of the American Revolution, Great Britain gave up territory east of the Mississippi River. kept territory east of the Mississippi River. took control
What's saturns rotation
Which was a belief of the early Democratic-Republican Party? a.The United States should have a conservative foreign policy. b.The United States should not take
Low soil temperatures and little rain cause soil formation to occur slowly. Because of the temperature, decomposition of plants and animals occurs slowly or sto