843 plus 359 equals 1,202.
567 + 193 + 84 = 844
84 + 16 = 100
96
77
y=84-72=12 z=84-52=32 x=84-12-32=40
405
17+67= 84
42 + 42 = 84
3x + 4x = 847x = 84divide both sides by 7x = 12
79 + k = 84 84 - 79 = k k = 5
1 x 359, 359 x 1 = 359 (359 is a prime number).