2(4x-1)=18 is the question. In this case, x=2.5
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If you mean 18 x 1/2 it equals 9
2 goes into 18 9 times because 9+9=18, and there are two nines. In other words, 9 times 2 equals 18.
36 is twice the product of its digits multiplied. 3 times 6 equals 18, and 18 times 2 equals 36.
The lowest common multiple of 18 and 54 is 108. 54 times 2 equals 108, and 18 times 6 equals 108.
It is: 2 times 18 = 36