Tom sold half of his comic books and then bought six more. He now has twelve. How many did he begin with?

5 answers

0.5x + 6 = 12

0.5x = 6

x = 12
It's not a clear solution please put clear solution.
Data:
Comic books=x
Solution:
X/2+6=12
X/2=12-6
X/2=6
X=6×2
X=12
Tom started with 12 comic books
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