4+78=82-7=75
144
7 + 33 + 16 + 22 = 78
24 + 521 + 9 + 4249 + 455 + 607 + 899 + 78 + 7 = 6,849
4 plus 3 equals 7
-7 + 4 = -3
144 9+7 = 16 and 9*16 = 144
If I am correct, 9 plus 7 equals 112.
89
If x=4 then 2x+7 =
20
It's 21.
1 + 2 + 3 + 4 + 5 + 6 + 7 + 8 + 9 + 12 + 34 + 56 + 78 + 91 + 7894561230 + 123456789 = 8018018326