Penjelasan dengan langkah-langkah:
y - x = 0
maka y = x
sehingga
2x - 5y = 9
2x - 5(x) = 9
-3x = 9
x = -3
y = -3
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Verified answer
Penjelasan dengan langkah-langkah:
y - x = 0
maka y = x
sehingga
2x - 5y = 9
2x - 5(x) = 9
-3x = 9
x = -3
y = -3