6
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5 - X - X = - 1
5 - 2X = - 1
subtract 5 from both sides
- 2X = - 6
divide both sides integers by - 2
X = 3
=======check in original equation
5 - 3 - 3 = - 1
- 1 = - 1
=======checks
If: x = -5 Then: y = (3*-5)-1 = -16
x (x+5) = 6 X equals 1.
9
1 x 25, 5 x 5, 25 x 1
-4