Answered

Discover the answers you need at Westonci.ca, a dynamic Q&A platform where knowledge is shared freely by a community of experts. Explore our Q&A platform to find reliable answers from a wide range of experts in different fields. Discover detailed answers to your questions from a wide network of experts on our comprehensive Q&A platform.

what is the ordered pair solution for;
x + 2y = 5

3x - y = 1

Sagot :

[tex]\left\{\begin{array}{ccc}x+2y=5\\3x-y=1&/\cdot2\end{array}\right\\+\left\{\begin{array}{ccc}x+2y=5\\6x-2y=2\end{array}\right\\-----------\\. \ \ \ \ \ \ \ 7x=7\ \ \ \ /:7\\.\ \ \ \ \ \ \ x=1\\\\\left\{\begin{array}{ccc}x=1\\3x-y=1\end{array}\right\\\left\{\begin{array}{ccc}x=1\\3\cdot1-y=1\end{array}\right\\\left\{\begin{array}{ccc}x=1\\3-y=1\end{array}\right\\\left\{\begin{array}{ccc}x=1\\-y=1-3\end{array}\\\left\{\begin{array}{ccc}x=1\\-y=-2\end{array}\right\\\right[/tex]
[tex]\left\{\begin{array}{ccc}x=1\\y=2\end{array}\right\\[/tex]