<PRE><B>Question 212830</B>
I need help with this problem. I do not know where to begin.
what is the solution type in ordered pair if there is a solution or write no solution.


Solve


{{{x+7y=4}}}


{{{x=9-7y}}}


The following steps uses the substitution method:


*[invoke linear_substitution &quot;x&quot;, &quot;y&quot;, 1, 7, 4, 1, 7, 9 ]


I hope the above steps were helpful.


For Step-By-Step free videos in Introduction to Algebra, please visit 

http://www.FreedomUniversity.TV/courses/IntroAlgebra and for Trigonometry visit 

http://www.FreedomUniversity.TV/courses/Trigonometry.


Good luck in your studies!


Respectfully,
Dr J

</PRE>