emoryjoshua
emoryjoshua emoryjoshua
  • 15-01-2021
  • Mathematics
contestada

Use SUBSTITUTION to solve the system
y=4x
2y-2x=12

Respuesta :

deng67
deng67 deng67
  • 15-01-2021
1 Substitute
y
=
2
x
−
10
y=2x−10 into
y
=
4
x
−
8
y=4x−8.
2
x
−
10
=
4
x
−
8
2x−10=4x−8

2 Solve for
x
x in
2
x
−
10
=
4
x
−
8
2x−10=4x−8.
x
=
−
1
x=−1

3 Substitute
x
=
−
1
x=−1 into
y
=
2
x
−
10
y=2x−10.
y
=
−
12
y=−12

4 Therefore,
x
=
−
1
y
=
−
12

​

x=−1
y=−12
​
Answer Link

Otras preguntas

Which president, because of the circumstances of the day, was able to accomplish more in the first few months than any other president has in a comparable amoun
You need to add cells c3 and c7, and multiply c3 by c6. based on the order of operations, what would you do
2300/4500 =x/100 solve for x
After the Spanish-American War, what happened to Cubans and Puerto Ricans? They wanted the United States to maintain its military control over their islands. Th
How can you find a unit rate when given a rate?
If the diameter of a circle is 5 centimeters, how long is the arc subtended by an angle measuring 60° ?
What is the movement of water through an ecosystem?
HELP ASAP Why did many state governors in the South oppose the Confederate government during the Civil War? They disagreed with its war plan. They were tired of
Match the facts with the examples. Two falling inflated balls of different masses land at the same time. A large, massive dog weighs more than a small dog. A c
In "A Connecticut Yankee in King Arthur's Court," Clarence tells Hank that he will not help him escape because there are too many guards. What other reason does