Note there are more than one answers!

-1/9, 1/9

Step-by-step explanation:

If we represent this with an equation, we get 3 + |-9x| = 4.  Subtract 3 from both sides and we get |-9x| = 1.  There are two solutions to this, 1/9 and -1/9, since they both multiply to a number whose absolute value is 1.  (-9 * 1/9 = -1, 9 * 1/9 = 1.  -1 has an absolute value of 1.)

x=6 and x=3

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