Question

Five greater than or equal to 2p+1

Answer 1

$5 \geqslant 2p + 1 \\ 5 - 1 \geqslant 2p \\ \frac{4}{2} \geqslant p \\ 2 \geqslant p \\ p \leqslant 2$

Or, if you're only looking for the expression, it's
$5 \geqslant 2p + 1$