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

How were the human rights of Jews taken away before the war?
PLEASE HELP I'M TAKING A TEST - Sarah is buying a desk for $780. She is going to put $156.00 down and finance the rest. What percent is she financing?
Find the measure of the exterior angle.
Please help me asap!
How do you A number divided by
could some pls explain why the side of my left leg hurts when I lay down and hurts more when i move that leg. even just a little. why is that? i didnt do anythi
At a wedding thete were 40 people from the groom's side and 56 people from the bride's side of the family. find the ratio of the groom's family to the bride's f
what is 57.82 ÷ 0.784 (show ur work)
In poetry, a stanza sometimes develops a single idea related to the main topic of a larger poem. Emerson and Whitman both follow this practice in structuring th
what is 1875÷ 125 (show ur work long divison) :))