Jawabanmu

Jawaban paling cerdas!
2014-06-10T11:43:27+07:00
1/4 (x - 2) = 1/2 (x - 1) + 1/4 (x - 1) semua dilakalikan 4
x - 2 = 2(x - 1) + (x - 1)
x - 2 = 2x - 2 + x - 1
x - 2 = 3x - 3
3x - x = - 2 + 3
2x = 1
x = 1/2

c. 1/2