2+2+2+10+5+5+5+20+20+20+20+20+20=151
20
20 + 10 + 5 = 35
20 + 5 = 25
A = 77 + 5 + 8 = 20
The answer to -5 plus -20 equals -25. This is taught in class.
your answer is 20 ( 10+5=15+5=20)
5 + 8 + 20 + 12 + 19 = 64
57
3x+5=20 x=5 since 5x3+5=20
-20 + 5 = -15
15 + 5 = 20