Answered

Westonci.ca connects you with experts who provide insightful answers to your questions. Join us today and start learning! Get quick and reliable solutions to your questions from knowledgeable professionals on our comprehensive Q&A platform. Our platform offers a seamless experience for finding reliable answers from a network of knowledgeable professionals.

What is the solution of the system? Solve using matrices. 25 points

x+2y=9
x+y=1

Sagot :

asias3802

Answer:

x = -7 and y=8

Step-by-step explanation:

soln

using by elimination method

1|x+2y=9

1| x+y=1

|x+2y=9

-|x+y=1

x-x+2y-y=9-1

0+y=8

y=8

1|x+2y=9

2|x+y=1

|x+2y=9

-|2x+2y=2

x-2x+2y+2y=9-2

-x=7

divide -1 both side with the make value of x

x=-7

therefore x=-7 and y=8. this is my answer

Thank you for visiting our platform. We hope you found the answers you were looking for. Come back anytime you need more information. We appreciate your time. Please revisit us for more reliable answers to any questions you may have. We're dedicated to helping you find the answers you need at Westonci.ca. Don't hesitate to return for more.