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harusnya gini
2 8z 6 (2x-4) 8 2
6z -6 8 2y -6 8
jawab:
--> 2 = 2x - 4
2x = 6
x = 3
--> 8z = 8
z = 1
--> 6z = 2y
6(1) = 2y
y = 3
x = 3
y= 3
z =1