You can put this solution on YOUR website!
you have
or you can write it like this:
....recall: plus and plus gives you plus, minus and plus gives you minus, minus and minus gives you plus
so, if you have means you get to add two negative numbers and you just add then and give the sum negative sign: you will have
then you have and that gives you
so, you will have to add and ; recall the rule for adding positive and negative number-you subtract smaller absolute value from greater absolute value and give the difference the sign of greater absolute value (in your case smaller absolute value has the number and the greater absolute value has the number )
and
so, in given problem you will have
