francesmueller francesmueller
  • 15-02-2021
  • Mathematics
contestada

13) y = 8x + 13
- 4x - 5y = 23

Respuesta :

Аноним Аноним
  • 15-02-2021

Answer:

x=42/44

Step-by-step explanation:

Because y=8x+13, You will have to insert 8x+13 into y.

-4x-5(8x+13)=23

distribute 5(8x+13)

5(8x)+5(13)

40x+65

Now you have this equation: -4x-40x+65=23.

subtract -65 on both sides

-4x-40x+65-65=23-65

-4x-40x= -42

Solve the x: -4x-40x= -44x

Now you have -44x=-42

Divide 44 on each sides

-x=-42/44

x=42/44

(simplified: 21/22)

Answer Link

Otras preguntas

Is there a scientific way to tell someone's age? Like through dental, blood samples, or even DNA?
What factors contributed to a Greek victory in the Persian Wars?
true or false: water can be pumped into oil reservoirs to increase the pressure of the existing oil.
Find the area of a room whose dimensions are 15 1/2 feet by 18 feet
Which women's rights leader worked with Elizabeth Cady Stanton to form the National Woman Suffrage Association?
help with math please
Krishne wants to measure the mass and volume of a key. Which tools should she use? a balance and a beaker of water a balance and a meter stick a beaker of wate
What are the properties of spongin? How do household sponges use such properties?
If a stereo has a dial that changes the volume of the sounds the stereo makes, what is the dial doing?
[[poop]] Just Like My Dad Tracy Wilson 1 John took off his helmet, turnout gear, and boots in the truck room and hung the jacket on his assigned peg. Just ab