Let the number of stamps Jaylan has be \( x \). According to the problem, the equation will be:
\[ 5x - 10 = 275 \]
To solve for \( x \), first add 10 to both sides:
\[ 5x = 275 + 10 \] \[ 5x = 285 \]
Next, divide both sides by 5:
\[ x = \frac{285}{5} \] \[ x = 57 \]
So, Jaylan has 57 stamps.