Nilai persamaan 3x+y=8,5x-y=16

Materi : SPLDV
Tingkat : SMP

3x + y = 8
5x - y = 16
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8x = 24
x = 3

3x + y = 8
3(3) + y = 8
y = 8 - 9
y = -1

Hp = { -1 , 3 }