Sifat aljabar :
ax + by + cx + dy = (a + c)x + (b + d)y
2x + 2y = 4x + 4y
0 = 4x + 4y - 2x - 2y
4x + 4y - 2x - 2y = 0
4x - 2x + 4y - 2y = 0
(4 - 2)x + (4 - 2)y = 0
2x + 2y = 0
2(x + y) = 0
(x + y) = 0/2
x + y = 0
Jadi, nilai dari x + y adalah 0.
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Penjelasan dengan langkah-langkah:
Sifat aljabar :
ax + by + cx + dy = (a + c)x + (b + d)y
2x + 2y = 4x + 4y
0 = 4x + 4y - 2x - 2y
4x + 4y - 2x - 2y = 0
4x - 2x + 4y - 2y = 0
(4 - 2)x + (4 - 2)y = 0
2x + 2y = 0
2(x + y) = 0
(x + y) = 0/2
x + y = 0
Kesimpulan:
Jadi, nilai dari x + y adalah 0.
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