Question 388144
subtract equation 2 from 1 to eliminate x
16x-5y=-33
16x+y=-51 
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0-6y=18
   y=18/-6=-3

substitute y=-3 in either of the equation. i'm using equation 1
16x-5y=-33
16x-5(-3)=-33
16x=-33-15
x=-48/16=-3

Thus, x=-3 and y=-3