13 + 5 = 18
It is: 7+13-6+5 = 19
8 + 5 = 13
a is equal to 4
-8
13+13=26 or2.7+20.3+5=26
13 plus 13 is equal to 26
-8 - (-13) = - 8 + 13 = +5 ( minus a minus is a plus)
It is: 5/18 plus 4/9 = 13/18
8/10 + 5/10 = 13/10
A big number. (5532)
13 plus 13 would equal 26.