Answered

Westonci.ca is your go-to source for answers, with a community ready to provide accurate and timely information. Our Q&A platform provides quick and trustworthy answers to your questions from experienced professionals in different areas of expertise. Discover detailed answers to your questions from a wide network of experts on our comprehensive Q&A platform.

What's substitution for:
X=y-7
X+8y=2

Sagot :

luana
[tex] \left \{ {{x=y-7} \atop {x+8y=2}} \right. \\\\ substitute\ x=y-7\ into \ the\ second\ equation\\\\ y-7+8y=2\\\\ 9y-7=2\ \ \ | add\ 7\\\\ 9y=9\ \ \ | divide\ by\ 9\\\\ y=1\\\\x=y-7=1-7=-6[/tex]
Thanks for using our platform. We aim to provide accurate and up-to-date answers to all your queries. Come back soon. We appreciate your time. Please come back anytime for the latest information and answers to your questions. Stay curious and keep coming back to Westonci.ca for answers to all your burning questions.