Question

ok so then n-40=-35 would be add 40 to both sides....so n=-35+40...so n = 5 ?

Answer 1

correct!

if you want to check your answers you can use
http://www.wolframalpha.com/

Answer 2

yes

Answer 3

ok thanks....i just found this site last night....son has test and wanted to check his answers....this has helped me to understand what he is doing better too..didn't know this site was here

Answer 4

I'll try that other one too

Answer 5

can it do word problems ?