72
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x8+9=81 -9 -9 x8 =72 /8 /8 x= 9
(8 - x) / 6 = 98 - x = 54x = 8 - 54x = -46OR8 - (x/6) = 98 = x/6 + 9x/6 = 8 - 9 = 1x = 6
x is 9.
4 times 8 equals 32.
56 / 63 = 7 x 8 / 7 x 9 = 8 / 9 , by cancelling out the top and bottom 7's.