username2376 username2376
  • 21-11-2020
  • Mathematics
contestada

Solve 4x+y=8 x+y=5 Solving by elimination

Respuesta :

bisiriyumaqsudhat
bisiriyumaqsudhat bisiriyumaqsudhat
  • 21-11-2020

Answer:

y=4,x=1

Step-by-step explanation:

4x+y=8

x+y=5

subtract equation 2 from equation 1

3x + 0=3

3x=3

divide both sides by 3

x=1

substitute for x=1 in equation 2

x+y=5

1+y=5

y=5-1(collecting like terms)

y=4

Answer Link
farahaliabshirabdi farahaliabshirabdi
  • 21-11-2020

Step-by-step explanation:

4x+y=8

x+y=5

5(4x+y)=8

8(x+y)=5

20x+5y=40

8x+8y=40

2x_3y=0

2×_3y

Answer Link

Otras preguntas

What was Jefferson’s official position regarding the Napoleonic Wars?
Should I write countries' fuel or countries's fuel
Narrative paragraph example
write "P (x) = -36x^2 + 900x - 1584" in standard vertex form, help please!
In 1950, there were 40.3 million cars registered in the United States. In 1990, there were 133.7 million cars registered in the United States. What was the perc
What is the simplest form of the expression 6x(x − 4) − 16x2 − (9x − 1)
how many moles are in 9.8 grams of calcium?
name and describe the cell structure that helps prevent damage to certain cells when they are subjected to high osmotic pressure
What shape has only 1 pair of parallel line
Write a dialogue using estar or ser 10+ times?