SOLUTION: Thank you so much for helping me! {{{(5/2)a-7/2-8/5=-164/15}}}

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Question 984703: Thank you so much for helping me!
%285%2F2%29a-7%2F2-8%2F5=-164%2F15
Answer by Boreal(15235) About Me  (Show Source):
You can put this solution on YOUR website!
(5/2)a-7/2-8/5=-164/15
Common denominator of 30
75a-105-48=-328
75a=-175
a= -2.333 (-7/3 is exact)
;
use numerical solution to check
-5.8333-3.5-1.6=-10.933, and that is -164/15