Question 1078549
{{{ -2 -(-4) }}}
The product of a minus and a minus is a plus
You can think of this part:
{{{ -(-4) }}} as {{{ -1*(-4) }}}, which, by the rule, is
{{{ -1*(-4) = 4 }}}, so now you have:
{{{ -2 + 4 = 2 }}}
------------------
Hope this helps