Nilai x yang memenuhi sistem persamaan 1/x + 1/y = 10 dan 5/x – 3/y = 26
A. -⅔
B. -⅙
C. ⅐
D. ½
E. ¾
1/x + 1/y = 10|×3|3/x + 3/y = 30
5/x – 3/y = 26|×1|5/x – 3/y = 26
8/x = 56
x = 8 = 1
56 7
Jawaban: C