Question about Office Equipment & Supplies
Easy to verify. Put 4 instead of x in the equation. You get 2*4+4?=0. Obviously 2*4+4=3*4=12, and 12 is not equal to zero. The value x=4 is not a solution of the equation.
2x+4=0, gives 2x=-4 and x=-4/2=-2
Posted on Feb 09, 2012
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Posted on Jan 02, 2017
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