Answered

Westonci.ca is your go-to source for answers, with a community ready to provide accurate and timely information. Find reliable answers to your questions from a wide community of knowledgeable experts on our user-friendly Q&A platform. Our platform offers a seamless experience for finding reliable answers from a network of knowledgeable professionals.

-2x+6y=6 -7x-8y=-5 when using substution

Sagot :

eternal3fear
we can simplify the first equation into
-x + 3y = 3
which can become
x = 3y - 3

we can then plug it into the second equation
-7(3y-3) - 8y = -5     [distribute]
-21y + 21 - 8y = -5   [now add like terms]
-29y = -26               [then divide both sides by -29]
y = 26/29               [then plug this into the first equation to get x]

x = 3(26/29) - 3 = 78/29 - 87/29
x = -9/29

therefore your answer is x = -9/29 and y = 26/29
or (-9/29 , 26/29)
We hope this information was helpful. Feel free to return anytime for more answers to your questions and concerns. Thanks for stopping by. We strive to provide the best answers for all your questions. See you again soon. We're here to help at Westonci.ca. Keep visiting for the best answers to your questions.