Preliminary Exercise
x
x + 16
2(x + 16)
2(x + 16) ñ 14
2{2(x + 16) ñ 14}
2{2(x + 16) ñ 14} ñ x
[2{2(x + 16) ñ 14} ñ x]/3 ñ x
[2{2(x + 16) ñ 14} ñ x]/3 ñ x + 4
¶([2{2(x + 16) ñ 14} ñ x]/3 ñ x + 4)
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