Welcome to Westonci.ca, the place where your questions find answers from a community of knowledgeable experts. Connect with a community of experts ready to help you find accurate solutions to your questions quickly and efficiently. Experience the convenience of finding accurate answers to your questions from knowledgeable experts on our platform.

solve the system by substitution.
y=-x
y=4x+45
Multiple Choice.
A.(-9,-9)
B.(9,-9)
C.(9.9)
D.(-9,9)


Sagot :

D x= -9
Y=9
Because 4(-9)+45=9
I just put in each one and d got it right.
y = -x
y = 4x + 45

   -x = 4x + 45
- 4x  - 4x        
 -5x = 45
  -5     -5
    x = -9
y = 4x + 45
y = 4(-9) + 45
y = -36 + 45
y = 9
(x, y) = (-9, 9)

It is equal to B.
We hope our answers were useful. Return anytime for more information and answers to any other questions you have. Thanks for stopping by. We strive to provide the best answers for all your questions. See you again soon. Thank you for trusting Westonci.ca. Don't forget to revisit us for more accurate and insightful answers.