Question

If 31x5are multiple of 9 find x if x is a digit.

Answer 1

3+1+x+5=multiple of 9

9+x=9

x=0

Answer 2

HEY MATE

HERE IS YOUR ANSWER

X can be 0 / 9

so 3105 and 3195 botha re multiples of 9

HOPE IT HELPS

HAVE A NICE DAY AHEAD .... ^ _ ^