Question

Sistema linear
-3x-2y=8
x-5y=3
??????

Answer 1

-3x -2y=8
x -5y = 3 (3)

-3x -2y=8
3x -15y = 9
-17y = 17
+17y = -17
y = -17/17 = -1

x -5.-1= 3
x +5 = 3
x = 3 - 5
x = -2