Question 1178178
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Consider the extended matrix. 


It is easy to see that its rows are proportional.  

The proportionality coefficient is -2.



It means that one equation is equivalent to the other equation,

so FACTUALLY you have only one equation in two unknowns.



Such system has INFINITELY MANY solutions.


Take x as a FREE variable and express  y = {{{(5x-1)/4}}}  from the first equation.


You may give any value to x and calculate the respective value of y: each such a pair (x,y) will be a solution.
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Solved and explained.


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See the lesson

&nbsp;&nbsp;&nbsp;&nbsp;- <A HREF=http://www.algebra.com/algebra/homework/coordinate/lessons/Geom-interpret-of-the-lin-system-of-two-eqns-with-two-unknowns.lesson>Geometric interpretation of the linear system of two equations in two unknowns</A> 

in this site.