pelkey
Answered

Find the best answers to your questions at Westonci.ca, where experts and enthusiasts provide accurate, reliable information. Our Q&A platform provides quick and trustworthy answers to your questions from experienced professionals in different areas of expertise. Discover in-depth answers to your questions from a wide network of professionals on our user-friendly Q&A platform.

which statement is true about the following system of equations?
3x-1/2y=1
x+2y=7

Sagot :

AL2006
Many many true statements could be offered regarding those two equations.
Sadly, until you share the list of choices you're looking at, there's no way for
anyone to help you choose the best one.
Lilith
[tex]\begin{cases} 3x- \frac{1}{2}y=1 \ \ / \cdot 4\\ x+2y=7 \end{cases}\\\\\begin{cases} 12x- 2y=4 \\ x+2y=7 \end{cases}\\+ -------\\13x = 11\ \ / :13\\\\x=\frac{11}{13}[/tex]

[tex]x+2y=7 \\ \\ \frac{11}{13}+2y=7\\ \\2y=7-\frac{11}{13} \\ \\2y=\frac{91}{13}-\frac{11}{13}\\ \\2y =\frac{80}{13}\ \ / \cdot (\frac{1}{2})\\ \\y=\frac{40}{13} \\\\\begin{cases} x=\frac{11}{13}\\ y= \frac{40}{13} \end{cases} [/tex]

 

Thanks for using our platform. We aim to provide accurate and up-to-date answers to all your queries. Come back soon. Your visit means a lot to us. Don't hesitate to return for more reliable answers to any questions you may have. Westonci.ca is here to provide the answers you seek. Return often for more expert solutions.