Question 50868
An opposite : 4 and -4    8 and -8 
so you want to find opposites, that when subtracted equal 96
{{{ x - (-x) = 96 }}} 
Subtracting a negative is the same as adding a positive
{{{ x + x = 96 }}}
combine like terms
{{{ 2x = 96 }}}
Divide by 2
{{{ x = 48 }}}
48 and -48 are the opposites