Values of $5n-8$ are shown. Use them to find the $n$ that solves $5n-8=37$.

37 lies between 32 $(n=8)$ and 42 $(n=10)$, and $5n-8$ goes up by 5 for each step of 1 in $n$. So try $n=9$: 45 − 8 = 37 ✓. (7.4 comes from 37 ÷ 5.)