-a + 2 = 18 - 2 = - 2 --------------- - a = 16 a = - 16
3
a=24 b=16 c=18
16 + 16 + 18 + 18 = 68
you have 9n+17=-1 -17 -17 9n=-18 /9 /9 n= -2
-16
16 + 16 + 16 + 17 + 18 + 18 + 18 + 19 + 19 + 20 + 20 + 20 + 21 = 238
18 + 16 = 34
12 + 16 + 18 + 20 + 9 = 75
-a + 2 = 18 - 2 = - 2 --------------- - a = 16 a = - 16
2+14=16
1
16
The numbers are 13 and 18
7 + 18
3
-1 + -45