9
Step-by-step explanation:
AE=EC
3x+3=5x-15
18=2x
x=9
the answer is su.k.my? ? co.kc
37 = ending with 7
unit's digit in the cube..3
56 = ending with 6
unit's digit in the cube..2
133 = ending with
unit's digit in the cube..7
hope it : ( : )