Faint or negative?

Pip
I'm 7 days late now. Think I must of ovulated late. I took a clear blue the other day same test and there was nothing, I've just taken another test out the box and I swear there's a faint line? I could see it in the test so I have opened it up to have a look, within the time period. Please feel free to comment your opionion on it. I tried a red test 2 days ago and was negative. 

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