Get Mystery Box with random crypto!

20. 12 15 3:5 3:5 76. 84 X 84-x/x-76=3/5 | 🍁Ariτнмєτic Maths🍁

20. 12
15
3:5


3:5
76. 84
X
84-x/x-76=3/5
420-5x=3x-228
8x=648
X=81