x+2y=8 dan 3x-4y=-26
Matematika
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Pertanyaan
x+2y=8 dan 3x-4y=-26
1 Jawaban
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1. Jawaban khairani347
x+2y=8
x = 8 - 2y
3x-4y=-26
3(8-2y) -4y = -26
24 - 6y - 4y = -26
-10y = -50
y = 5
x = 8-2y
x = 8 - 2(5)
x = 8 - 10
x = -2
HS = {(-2, 5)}