x - 3y = 5 → x = 5 + 3y
3x + 2y = 7
3 (5 + 3y) + 2y = 7
15 + 9y + 2y = 7
15 + 11y = 7
11y = -8
y = -8/11
x = 5 + 3y
= 5 + 3(-8/11)
= 5 + (-24/11)
= 2 9/11 (Dua sembilan per sebelas)
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x - 3y = 5 → x = 5 + 3y
3x + 2y = 7
3 (5 + 3y) + 2y = 7
15 + 9y + 2y = 7
15 + 11y = 7
11y = -8
y = -8/11
x = 5 + 3y
= 5 + 3(-8/11)
= 5 + (-24/11)
= 2 9/11 (Dua sembilan per sebelas)