diegor1234 diegor1234
  • 11-12-2020
  • Mathematics
contestada

-x + y = 1
-7x + 6y = -1
use substitution to solve

Respuesta :

1551497010 1551497010
  • 11-12-2020

Answer:x=7, y= 8

Step-by-step explanation: y= x+1, put in 2nd equaiton to get, -7x + 6x+6 =- 1, -x = -7, x=7. -7+y=1 ,y=8

Answer Link
Аноним Аноним
  • 11-12-2020

Answer:

(x,y)=(7,8)

Step-by-step explanation:

-x + y = 1

-7x + 6y = -1

x=-1+y

-7(-1+y)+6y=-1

7+(-7y)+6y=-1

-y=-8

y=8

x=-1+8

x=7

Answer Link

Otras preguntas

Please Graph 4x + 6y = 12 step by step
Explain how you can use multiplication to find the perimeter of a square
Each square on Olivia's chessboard is 11 square centimeters.A chessboard has 8 squares on each sid.To the nearest tenth,what is the width of Olivia's chessboard
Can some one please help me ?
What are three examples of macroscopic structures?
What is 5/9 divided by 3/5?
The Just Juice Company has a monthly cost of $20,000 and a marginal cost of $4 per case of juice. a) Find the monthly cost C(x) assuming that the company produc
According to the Declaration, What powers belong to the United States as "Free and Independent state"?
How do you convert 17/23 into a percent and decimal
What does palatical chateau mean?