answer

Use PEMDAS to solve.

First add -5 and -3

-5+(-3)-(-7)= -8 - (-7) = -1

the answer is -1

marvin754:

-5+(-3)-(-7)

Please refer to the page that i just posted.

http://web2.0calc.com/questions/positive-and-negative-numbers-directed-numbers

Just highlight, right click, choose goto.