Posted by **Linda** on Saturday, August 27, 2011 at 2:39pm.

|3x+8|=20; -4

Basically that 4 is asking whether that is a possible solution to the problem. I tried to solve it and the two solutions I got were -28/3 and 4. So I got that -4 is not a solution but if someone could check for me and make sure I didn't mess up my signs that would be great. It just seems kinda funny that i got the right number but not the correct sign.

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