Jawabanmu

2014-01-04T16:27:58+07:00
X = z3 + z - 8
y = x3 + x - 8
z = y3 + y - 8  +
x+y+z = x3+y3+z3 +x+y+z -8 -8 -8

0 = x3+y3+z3 -8 -8 -8
x3+y3+z3 = 8 + 8 + 8
x³+y³+z³ = 2³+2³+2³
x + y + z = 2 + 2 + 2
x + y + z = 6
nilai dari 1/3(x+y+z) adalah. 1/3(6) = 2

wahh pass mantap tiap malam kren
hahah siip ;)