21 lb 4 oz, assuming avoirdupois measurements
12 + 10 + 11 equals 33
12
11
-10
41
12
17 + 11 + (25-12) = 17 + 11 + 25 - 12 = 41.
4x2 plus 3=11
21 lb 4 oz, assuming avoirdupois measurements
Sodium (Na)
x=5.54x+1= 2x+12-1 -14x=2x+11-2x -2x2x=11/2 /2x=5.5
This is related to an x + (x+1) + (x+2) function, in which case x equals 10. 10+11+12 is equal to 33.