ini gimana ya caranya

{- 2x + 3y = - 16 --- (1)
{ x - 4y = 13 ---(2)
[Jawab]
(2) × 2 = 2x - 8y = 26 --- (2)'
(1) + (2)' = -5y = 10
= y = -2
Masukan ke (2)
x + 8 = 13
x = 13 - 8
x = 5
Jadi, (x,y) = (5, -2)
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Maaf kalo jawabnya salah