allylollopez2230
Answered

Get the answers you need at Westonci.ca, where our expert community is dedicated to providing you with accurate information. Our Q&A platform offers a seamless experience for finding reliable answers from experts in various disciplines. Discover detailed answers to your questions from a wide network of experts on our comprehensive Q&A platform.

Solve the system of linear equations by substitution. y=−3x−7 y=x+9

Sagot :

arisgryphon
x+9=-3x-7

add 7 to both sides

x+16=-3x

subtract 1x from both sides

16=-4x

divide both sides by -4

-4=x

y=x+9

y=-4+9

y=5

check:

5=-3(-4)-7

5=12-7

5=5

so

x=-4

y=5
We appreciate your time. Please come back anytime for the latest information and answers to your questions. We appreciate your time. Please come back anytime for the latest information and answers to your questions. Thank you for visiting Westonci.ca. Stay informed by coming back for more detailed answers.