smichelle26 smichelle26
  • 04-02-2020
  • Mathematics
contestada

Please solve the following system of equations by
substitution.
y = 3x - 4 and 4x + 3y = 1

Respuesta :

profarouk profarouk
  • 04-02-2020

Answer:

(1 , -1)

Step-by-step explanation:

y = 3x - 4  (1)

4x + 3y = 1 (2)

if we substitute y by 3x - 4 in the second equation we get

4x + 3(3x-4) = 1 ⇒ 4x + 9x - 12 = 1 ⇒ 13x = 13 ⇒ x = 1

now ,we substitute x by 1 in the first equation

y = 3(1) - 4 = 3 - 4 = -1

Answer Link

Otras preguntas

which statement best describes the form of all three poems-- ¨sonnet, with bird¨, ¨elliptical¨ and ¨fences¨?
How did the change from violence to negotiation in the Israeli-Palestinian conflict affect change for the region in the 1990s?A.) It showed that Palestinians an
please help ASAP i really need help
Which sentence has correct subject-verb agreement? O Maria and George is not coming to the party. O None of the birds on the beach was seagulls. O My new puppy
hewo people of da wowld
2. On which items did the Roman Catholic Church and the Greek Orthodox Church disagree? Select all that apply. sacraments calendar papal supremacy icons interpr
What number is 5he same ratio to 64 as 5 is to 8
scientific question about newton laws of motion
WILL GIVE BRAINLIEST!!
The band is having a fundraiser. They sold a total of 300 hotdogs and hamburgers. Hotdogs sold for $2 and hamburgers sold for $3. They made a total of $780. How