z + W/5 = 96
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18 + w
If 1 + w = 12, then w = 12 - 1, so w = 11
½W - 3 and ½W + 3 (½W - 3) + (½W + 3) = ½W + ½W - 3 + 3 = W |(½W - 3) - (½W + 3)| = |½W - 3 - ½W - 3| = |½W - ½W - 3 - 3| = |-6| = 6 (The difference between two numbers can be calculated by subtracting one from the other and ignoring the sign; |n| is the value of n ignoring the sign.)
If the length and width are denoted by l and w, then area = lw ( the product of l time w) and perimeter = 2(l+w) that is, twice the sum of l and w.
Suppose W/3 is the even integer X. Then the numbers are (X-2, X , X+2)If W/3 is not an even integer then there is no solution.