August 2018 1 2K Report
Jumlah nilai x dan y yang merupakan bilangan bulat dari sistem persamaan:

2x + 3y - 1 = 0
x² - xy + 2y² - x - 4y - 2 = 0

adalah...

a. -7
b. -1
c. 1
d. 3
e. 7

tolong bantu ya, saya sudah nyari tapi hasilnya ngga bulat :)
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