Jawaban:
{-1,2}
Penjelesan dengan langkah-langkah:
x - y = -3 menjadi x = -3 + y
2x + 3y = 4
2(-3 + y) + 3y = 4
-6 + 2y + 3y = 4
-6 + 5y = 4
5y = 4 + 6
5y = 10
y = 10/5
y = 2
2x + 3(2) = 4
2x + 6 = 4
2x = 4 - 6
2x = -2
x = -2/2
x = -1
Himpunan: {x,y} = {-1, 2}
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Jawaban:
{-1,2}
Penjelesan dengan langkah-langkah:
x - y = -3 menjadi x = -3 + y
2x + 3y = 4
2(-3 + y) + 3y = 4
-6 + 2y + 3y = 4
-6 + 5y = 4
5y = 4 + 6
5y = 10
y = 10/5
y = 2
2x + 3y = 4
2x + 3(2) = 4
2x + 6 = 4
2x = 4 - 6
2x = -2
x = -2/2
x = -1
Himpunan: {x,y} = {-1, 2}