Question

|x| – 5 = 7 x = –2 or 2 x = 12 x = –12 or 12 x = 2

Answer 1

1.

an arithmetical value, expressed by a word, symbol, or figure, representing a particular quantity and used in counting and making calculations and for showing order in a series or for identification.

Answer 2

It would be X=12 or -12, because when a number positive or negative is inside the absolute value sign it becomes positive. So 12 - 5 is 7