Question 924691: What number, doubled plus 2, is its opposite number
Answer by stanbon(75887) (Show Source):
You can put this solution on YOUR website! What number, doubled plus 2, is its opposite number
----
Let the number be "x"::
Equation:
2x+2 = -x
3x = -2
x = -2/3
-------------------------
Checking::
2(-2/3)+2 = -4/3 + 6/3 = 2/3
------------
Cheers,
Stan H.
-----------
|
|
|