Jawapan

  • Pengguna Brainly
2016-03-18T14:45:33+08:00
4x + 2y = 8
2y = 8 - 4x
y = 4 - 2x

6x - 4y - 5 = 0
6x - 4(4-2x) - 5 = 0
6x - 16 + 8x - 5 = 0
13x = 5 + 16
13x = 21
x = 21/13

y = 4 - 2(21/13)
y = 10/13
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