mariahv9 mariahv9
  • 20-11-2021
  • Mathematics
contestada

Solve the system of equations
−2x+3y=3
−4x+5y=1

Respuesta :

Leora03
Leora03 Leora03
  • 20-11-2021

Answer:

x= 6, y= 5

Step-by-step explanation:

-2x +3y= 3 -----(1)

-4x +5y= 1 -----(2)

(1) ×2:

-4x +6y= 6 -----(3)

(3) -(2):

-4x +6y -(-4x +5y)= 6 -1

Expand:

-4x +6y +4x -5y= 5

y= 5

Substitute y= 5 into (1):

-2x +3(5)= 3

-2x +15= 3

2x= 15 -3

2x= 12

x= 12 ÷2

x= 6

Answer Link

Otras preguntas

Marie has a small copy of rene magritte famous painting, The Schoolmaster. Her copy has dimensions 2 inches by 1.5.The scale of the copy is 1in: 40cm. Since 1 i
the agricultural revolution led to the need for organized
In 1869 many chemists did not agree with mendeleev's periodic table. Three reasons why.
It takes 45 minutes for 4 people to paint 5 walls. How many minutes does it take 6 people to paint 4 walls?
What impact did overgrazing have on afro-eurasian lands?
If a small open economy bans the import of Japanese video game systems, what happens to saving, investment, the trade balance, the interest rate, and the exchan
What is 25100×3098281
What impact did overgrazing have on afro-eurasian lands?
Áre the numbers in Quadrant 3 (-,-) negatives?
what time eplote the secon world war