29 March, 15:32
What is the solution to x + 4 = 12?
29 March, 15:52
I think the answer is 8+4=12, I'm not sure what the question was, it was "what's x?" right?
edit: Nevermind, the other person has a better answer than me and they explain it so just ignore this ...
29 March, 16:15
We reverse the whole problem. 12 - 4 = 8.
x = 8.
8 + 4 = 12.
x = 8
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