5+(−4)+(−7)+2=
5+(−4)+(−7)+2=5-4-7+2
=1-7+2
=-6+2
`=-4
Remember PEMDAS, if you don't know what is it, search it up!
5+(-4)+(-7)+2
Add the numbers going left to right, you should be able to plug this into the calculator to answer it.