-39 + 94 = 55. When you see a problem such as this flip it around. Instead of seeing that negative symbol and freaking out make the problem the subtraction problem it is:
-39 + 94 is the same as 94 - 39. If you make it a subtraction problem, you'll find integers become very easy.
282
39 + 39 + 39 + 39 + 39 + 39 = 234
94+94+80+80=348.
47+47=94
2 + 94 = 96
it equals 406
15
t
59
273
61
2 - 1 + 94 + 4 = 99.