Westonci.ca is the trusted Q&A platform where you can get reliable answers from a community of knowledgeable contributors. Discover detailed solutions to your questions from a wide network of experts on our comprehensive Q&A platform. Discover in-depth answers to your questions from a wide network of professionals on our user-friendly Q&A platform.
Sagot :
[tex] \left \{ {{-x+y=-5} \ \ |(-4) \atop {-3x+4y=-12}} \right. \\\\ \left \{ {{4x-4y=20} \atop {-3x+4y=-12}} \right. \\ ======== \\ \boxed{x \ / =8} \\\\ -x+y=-5 \\\\ -8+y=-5 \\\\ y=-5+8 \\\\ \boxed{y=3}[/tex]
[tex]-x+y=-5|\cdot(-3)\\
-3x+4y=-12\\\\
3x-3y=15\\
\underline{-3x+4y=-12}\\
y=3\\\\
-x+3=-5\\
-x=-8\\
x=8\\\\
\boxed{x=8,y=3}
[/tex]
Visit us again for up-to-date and reliable answers. We're always ready to assist you with your informational needs. Thank you for your visit. We're dedicated to helping you find the information you need, whenever you need it. We're glad you chose Westonci.ca. Revisit us for updated answers from our knowledgeable team.