Chapter 8.4, Problem 3TY

To determine

To fill in the blanks of the statement “If $a,bc,d,m\text{and}n$ are integers with $n>1$ and if $a\equiv c\left(\mathrm{mod}n\right)$ and $b\equiv d\left(\mathrm{mod}n\right)$, then $a+b\equiv$ _______, _______, ______ and _____ .”