Question 201925
You're doing great, you just need to find "y". 



{{{y=49+5x}}} Start with the isolated equation (that you found earlier)



{{{y=49+5(-8)}}} Plug in {{{x=-8}}}



{{{y=49-40}}} Multiply



{{{y=9}}} Combine like terms.




So the solutions are {{{x=-8}}} and {{{y=9}}}.



Which form the ordered pair *[Tex \LARGE \left(-8,9\right)].



This means that the system is consistent and independent.