Yes, 9+6 is 15.
No! It equals 15, but 9-6=3.
-9
-9
9
it equals 15
-3g+6+2g=15 -g=9 g=-9
a = 6b = 9a + b = 6 + 9 = 15
-24
n=6
-3
few errors in your title: 2 plus 4 = 6 6 plus 9 = 15 10 plus 25 = 35 18 + 81 = 99
It is an equation and the value of n is 6