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solving using elimination.
8x-3y=-11
2x-5y=27
 8x- 3y =-11
-8x+20y=27*-4  Mulitplying each term by -4 to eliminate x by adding the equations
    17y = -119
      y = -7
solving for x
8x-3*-7 =-11
8x +21 = -11
8x = -32
x = -4