True
-6
19
Indeed, these two equations are the same - because addition is a commutative function.
no 5+5=10 4+6=10
yes
Identity.
true
True
No.
7 + 5 + 4 + 5 + 3 + 4 + 6 + 5 + 4 + 5 + 6 + 4 + 7 = 65
27
It is: 7+6+5+4+3 = 25
-6
19
7+2+5= 14 35 42
no, 5.