1) 2 + 4 + (–8) + (–11)
2) 7 + (–10) + (–4)
3) –3 + (–20) + 9
4) –12 + 0 + (–1) + 5
5) 1 + (–13) + (–9) + (–25)
6)-17+25+20+(-5)
7) –6 + 8 + 19 + (–2)
8)14 + (–7) + 10
9) 18 + (–16) + 22 + 11
10) –24 + 13 + 15


can someone show how to do all of these with steps?