Question

find the solution of this system of equations -10x-6y=0
-4x-6y=54

Answer 1

-10x-6y=0
-4x-6y=54
------------------subtract
-6x = -54
   x = 9

-10x-6y=0
-10(9)-6y=0
-90 - 6y = 0
6y = -90
  y = -15

solution (9, -15)