9*18 = 162
162
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X/9 = 18 multiply through by 9 X = 162 check 162/9 = 18 18 = 18 checks
1 x 18, 2 x 9, 3 x 6.
3 x 6 2 x 9 1 x 18
Working out 50 percent of 18 is the same as working out 18 x 0.5, which is equal to 9.
|x+9|=18 either x+9=18 or x+9=-18 so x=9 or x=-27 When |a|=b then a=b or a=-b