#PHP, 63+1 bytes

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	while(($i+=$n=$argn)%10-$n|array_sum(str_split($i))-$n);echo$i;

Run as pipe with `-R`.

loops `$i` through multiples of `<input>` until `$i%10-<input>` and `sum_of_digits-<input>` are falsy; 
then prints `i`.