3X___=21
A 4
B 5
C 6
D 7
4X___=36
___x11=66
5x___=25
A 1
B 3
C 5
6x___=18
___4=24
___X8=48
Use the inverse operation to solve.
A 2
B 9
A 8
B 25
C 35
D 13
___x2=18
A 9
B 1
C 18
D 6
A 5
B 8
C 9
D 0
B 2
C 3
D 4