5
The answer is 39.7 + 8 = 15 + 4 = 19 + 7 = 26 + 5 = 31+ 6 = 37 + 2 =39
3x-8+5x+39+4x+51 = x(3+5+4) + -8 + 39 + 51 = 12x +82
7+2+5= 14 35 42
the answer to that is 5
true
Commutative
5 + 1 + 4 + 22 + 7 = 39
27
"8 plus 5 plus 4 equals 17."
No.
5. Just do 9 minus 4. 5 plus 4 equals 9